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Alhussan Chemistry — Stage 9
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Alhussan Chemistry — Stage 9
Chapter 10: Structure, Bonding, and Properties
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10.1 Proton number and the periodic table
Text lesson
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Chemistry 10.1 Proton number and the periodic table — Quiz
167 questions
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Checkpoint Quiz — Chemistry 10.1 Proton number and the periodic table
7 questions
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10.2 Electrons in atoms
Text lesson
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Chemistry 10.2 Electrons in atoms — Quiz
165 questions
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Checkpoint Quiz — Chemistry 10.2 Electrons in atoms
6 questions
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10.3 Making ions
Text lesson
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Chemistry 10.3 Making ions — Quiz
169 questions
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Checkpoint Quiz — Chemistry 10.3 Making ions
7 questions
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10.4 Inside ionic compounds
Text lesson
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Chemistry 10.4 Inside ionic compounds — Quiz
163 questions
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Checkpoint Quiz — Chemistry 10.4 Inside ionic compounds
7 questions
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10.5 Covalent bonding
Text lesson
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Chemistry 10.5 Covalent bonding — Quiz
163 questions
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Checkpoint Quiz — Chemistry 10.5 Covalent bonding
15 questions
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10.6 Covalent structures
Text lesson
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Checkpoint Quiz — Chemistry 10.6 Covalent structures
18 questions
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10.7 More about structures
Text lesson
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Chemistry 10.7 More about structures — Quiz
168 questions
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Checkpoint Quiz — Chemistry 10.7 More about structures
12 questions
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10.8 Life-saving compounds
Text lesson
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Chemistry 10.8 Life-saving compounds — Quiz
167 questions
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Checkpoint Quiz — Chemistry 10.8 Life-saving compounds
6 questions
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10.9 Chapter 10 Review: Structure, Bonding, and Properties
Text lesson
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Chemistry 10.9 Chapter 10 Review: Structure, Bonding, and Properties — Quiz
136 questions
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Chapter 11: Patterns in the Periodic Table
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11.1 Calculating density
Text lesson
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Chemistry 11.1 Calculating density — Quiz
169 questions
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11.2 Explaining density
Text lesson
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Chemistry 11.2 Explaining density — Quiz
166 questions
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11.3 Using density
Text lesson
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Chemistry 11.3 Using density — Quiz
159 questions
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11.4 The periodic table: Group 1
Text lesson
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Chemistry 11.4 The periodic table: Group 1 — Quiz
144 questions
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Checkpoint Quiz — Chemistry 11.4 The periodic table: Group 1
9 questions
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11.5 More about Group 1
Text lesson
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Chemistry 11.5 More about Group 1 — Quiz
135 questions
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Checkpoint Quiz — Chemistry 11.5 More about Group 1
6 questions
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11.6 The periodic table: Group 2 and Group 7/8 Trends
Text lesson
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Chemistry 11.6 The periodic table: Group 2 and Group 7/8 Trends — Quiz
152 questions
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Checkpoint Quiz — Chemistry 11.6 The periodic table: Group 2 and Group 7/8 Trends
17 questions
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11.7 Chapter 11 Review: Patterns in the Periodic Table
Text lesson
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Chemistry 11.7 Chapter 11 Review: Patterns in the Periodic Table — Quiz
140 questions
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Chapter 12: Chemical Reactions 3 and Rates
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12.1 Mass and energy in chemical reactions
Text lesson
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Chemistry 12.1 Mass and energy in chemical reactions — Quiz
172 questions
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Checkpoint Quiz — Chemistry 12.1 Mass and energy in chemical reactions
6 questions
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12.2 Writing symbol equations
Text lesson
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Chemistry 12.2 Writing symbol equations — Quiz
163 questions
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Checkpoint Quiz — Chemistry 12.2 Writing symbol equations
20 questions
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12.3 Metal displacement reactions
Text lesson
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Chemistry 12.3 Metal displacement reactions — Quiz
163 questions
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Checkpoint Quiz — Chemistry 12.3 Metal displacement reactions
5 questions
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12.4 Extracting metals
Text lesson
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Chemistry 12.4 Extracting metals — Quiz
169 questions
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Checkpoint Quiz — Chemistry 12.4 Extracting metals
23 questions
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12.5 Extracting copper
Text lesson
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Chemistry 12.5 Extracting copper — Quiz
162 questions
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Checkpoint Quiz — Chemistry 12.5 Extracting copper
2 questions
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12.6 Making salts from acids and metals
Text lesson
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Chemistry 12.6 Making salts from acids and metals — Quiz
168 questions
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Checkpoint Quiz — Chemistry 12.6 Making salts from acids and metals
3 questions
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12.7 More about salts
Text lesson
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Chemistry 12.7 More about salts — Quiz
159 questions
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Checkpoint Quiz — Chemistry 12.7 More about salts
3 questions
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12.8 Making salts from acids and carbonates
Text lesson
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Chemistry 12.8 Making salts from acids and carbonates — Quiz
162 questions
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Checkpoint Quiz — Chemistry 12.8 Making salts from acids and carbonates
11 questions
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12.9 Rates of reaction
Text lesson
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Chemistry 12.9 Rates of reaction — Quiz
168 questions
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Checkpoint Quiz — Chemistry 12.9 Rates of reaction
2 questions
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12.10 Concentration and reaction rate
Text lesson
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Chemistry 12.10 Concentration and reaction rate — Quiz
135 questions
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Checkpoint Quiz — Chemistry 12.10 Concentration and reaction rate
11 questions
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12.11 Temperature and reaction rate
Text lesson
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Chemistry 12.11 Temperature and reaction rate — Quiz
156 questions
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Checkpoint Quiz — Chemistry 12.11 Temperature and reaction rate
3 questions
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12.12 Surface area and reaction rate
Text lesson
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Chemistry 12.12 Surface area and reaction rate — Quiz
152 questions
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Checkpoint Quiz — Chemistry 12.12 Surface area and reaction rate
4 questions
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12.13 Chapter 12 Review: Chemical Reactions 3 and Rates
Text lesson
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Chemistry 12.13 Chapter 12 Review: Chemical Reactions 3 and Rates — Quiz
138 questions
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Chapter 13: Planet Earth and Continental Drift
0/10
13.1 Continental drift
Text lesson
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Chemistry 13.1 Continental drift — Quiz
115 questions
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13.2 Evidence from fossils
Text lesson
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Chemistry 13.2 Evidence from fossils — Quiz
148 questions
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13.3 Evidence from seafloor spreading
Text lesson
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Chemistry 13.3 Evidence from seafloor spreading — Mid — Quiz
151 questions
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13.4 Chapter 13 Review: Planet Earth and Continental Drift
Text lesson
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Chemistry 13.4 Chapter 13 Review: Planet Earth and Continental Drift — Quiz
153 questions
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Chemistry Stage 9 Comprehensive Review
Text lesson
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Chemistry Stage 9 Comprehensive Review — Quiz
142 questions
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Quiz
Chemistry 13.2 Evidence from fossils — Quiz
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Questions count:
50
Passing grade:
B+
Start Quiz
1.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
2.
Which statement is correct?
Glossopteris was a plant.
Fossils form in lava.
Coal in Antarctica formed in ice.
Gondwana was in the north.
3.
Which term matches this definition? “Layers of rock.”
Glossopteris
Rock strata
Displacement
Jigsaw fit
4.
Which term matches this definition? “Land reptile fossil found in Africa, India and Antarctica.”
Continental drift
Lystrosaurus
Glossopteris
Sonar
5.
True or false? Wegener used fossil evidence in 1912.
True
False
6.
Types of evidence used by Wegener. About how many times bigger is Fossils than Coastlines?
6.0
9.0
3.0
12.0
7.
Which is the correct definition of “Lystrosaurus”?
Using sound waves to map the seafloor.
Land reptile fossil found in Africa, India and Antarctica.
Movement in the mantle that drives plates.
Compound from an acid.
8.
Types of evidence used by Wegener. What is the value for Climate?
5
1
4
6
9.
Trees cannot grow on Antarctica today because it is too ____.
dark
cold
wet
hot
10.
Fossils are found in ____ rocks.
igneous
lava
sedimentary
metamorphic only
11.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
12.
Mountain belts in Scotland match those in ____.
India
North America
Australia
Africa
13.
Width of the Atlantic Ocean over time. Which graph shows these results correctly?
A
B
C
D
14.
Strata of 1 m formed at 1 mm per year. Years taken?
10,000 years
100 years
2000 years
1000 years
15.
Which statement is NOT correct?
Gondwana was in the north.
Gondwana included Africa, South America, India, Antarctica and Australia.
Wegener used fossil evidence in 1912.
Lystrosaurus fossils are found in Antarctica.
16.
Continents where fossils are found. Which has the smallest value?
Cynognathus
Lystrosaurus
Mesosaurus
Glossopteris
17.
Mesosaurus is found in South America and ____.
Asia
North America
Europe
Africa
18.
Which statement is correct?
There is no evidence for sunken land bridges.
Coal in Antarctica formed in ice.
Mesosaurus swam across the Atlantic.
Glossopteris was an animal.
19.
True or false? Gondwana was in the north.
True
False
20.
Continents where fossils are found. What is the total of all the values?
5
12
10
14
21.
Types of evidence used by Wegener. Which has the smallest value?
Climate
Fossils
Coastlines
Rocks
22.
True or false? Rock strata do not match across oceans.
True
False
23.
Which statement is correct?
Land bridges have strong evidence.
Gondwana was in the north.
Mountain belts in Scotland match those in North America.
Fossils form in lava.
24.
Which term matches this definition? “Single supercontinent that broke apart.”
Mid-ocean ridge
Pangaea
Fossil
Convection current
25.
Which is the correct definition of “Glossopteris”?
Fossil fern found across southern continents.
Speeds up a reaction, not used up.
Remains or traces of an ancient organism in rock.
Using electricity to extract reactive metals.
26.
Strata of 5 m formed at 0.5 mm per year. Years taken?
2500 years
10,000 years
10 years
2 years
27.
True or false? Glossopteris was an animal.
True
False
28.
A fossil is 250 million years old; another 220. Difference?
30 million years
250 million years
470 million years
220 million years
29.
Which statement is NOT correct?
Gondwana included Africa, South America, India, Antarctica and Australia.
Wegener used fossil evidence in 1912.
Fossils are found in sedimentary rocks.
Fossils only show when organisms lived.
30.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
31.
Width of the Atlantic Ocean over time. At what value of "Million years ago" is "Width (km)" greatest?
200
150
100
0
32.
Types of evidence used by Wegener. Which has the greatest value?
Coastlines
Rocks
Climate
Fossils
33.
Width of the Atlantic Ocean over time. Which statement best describes the pattern?
"Width (km)" decreases as "Million years ago" increases
"Width (km)" stays the same
"Width (km)" rises to a peak at 0, then falls
"Width (km)" increases as "Million years ago" increases
34.
Two fossil sites are now 4800 km apart after 250 million years. Mean speed in cm/year?
19.2 cm/year
0.2 cm/year
1200000.0 cm/year
1.9 cm/year
35.
Distance between Mesosaurus sites today (km). What is the value for 250 million years ago?
3
2
4800
0
36.
Older rocks are usually ____ in strata.
on top
in the middle
lower
higher
37.
True or false? Glossopteris was a plant.
True
False
38.
Continents where fossils are found. Which graph shows these results correctly?
A
B
C
D
39.
True or false? Fossils are found in sedimentary rocks.
True
False
40.
Glacial marks in India show it was once ____.
cold
underwater
tropical
desert
41.
Which statement is correct?
Gondwana was in the north.
Matching rock strata are found on both sides of the Atlantic Ocean.
Land bridges have strong evidence.
Fossils only show when organisms lived.
42.
Rock strata are ____.
ice
layers
soil only
single crystals
43.
Which term matches this definition? “Southern supercontinent including Africa, South America, India, Antarctica and Australia.”
Gondwana
Covalent bond
Mid-ocean ridge
Wegener
44.
A fossil is 250 million years old; another 200. Difference?
50 million years
450 million years
250 million years
200 million years
45.
Two fossil sites are now 4800 km apart after 200 million years. Mean speed in cm/year?
24.0 cm/year
0.2 cm/year
2.4 cm/year
960000.0 cm/year
46.
Which is the correct definition of “Gondwana”?
Southern supercontinent including Africa, South America, India, Antarctica and Australia.
Rocks left by ice sheets.
Balanced equation with formulae.
New ocean floor forming at ridges and moving apart.
47.
Wegener used fossil evidence in ____.
1912
2012
1962
1812
48.
Why could Glossopteris not have spread across oceans?
Birds carried it
Its seeds were heavy and could not blow across
It could swim
It had no seeds
49.
Which is the correct definition of “Glacial deposits”?
One plate sinking beneath another.
Speeds up a reaction, not used up.
Freshwater reptile fossil found in Africa and South America.
Rocks left by ice sheets.
50.
A fossil is 280 million years old; another 200. Difference?
280 million years
80 million years
200 million years
480 million years
1
2
3
4
5
6
7
8
9
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50
Questions count:
50
Passing grade:
B+
Start Quiz
1.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
2.
Which statement is correct?
Glossopteris was a plant.
Fossils form in lava.
Coal in Antarctica formed in ice.
Gondwana was in the north.
3.
Which term matches this definition? “Layers of rock.”
Glossopteris
Rock strata
Displacement
Jigsaw fit
4.
Which term matches this definition? “Land reptile fossil found in Africa, India and Antarctica.”
Continental drift
Lystrosaurus
Glossopteris
Sonar
5.
True or false? Wegener used fossil evidence in 1912.
True
False
6.
Types of evidence used by Wegener. About how many times bigger is Fossils than Coastlines?
6.0
9.0
3.0
12.0
7.
Which is the correct definition of “Lystrosaurus”?
Using sound waves to map the seafloor.
Land reptile fossil found in Africa, India and Antarctica.
Movement in the mantle that drives plates.
Compound from an acid.
8.
Types of evidence used by Wegener. What is the value for Climate?
5
1
4
6
9.
Trees cannot grow on Antarctica today because it is too ____.
dark
cold
wet
hot
10.
Fossils are found in ____ rocks.
igneous
lava
sedimentary
metamorphic only
11.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
12.
Mountain belts in Scotland match those in ____.
India
North America
Australia
Africa
13.
Width of the Atlantic Ocean over time. Which graph shows these results correctly?
A
B
C
D
14.
Strata of 1 m formed at 1 mm per year. Years taken?
10,000 years
100 years
2000 years
1000 years
15.
Which statement is NOT correct?
Gondwana was in the north.
Gondwana included Africa, South America, India, Antarctica and Australia.
Wegener used fossil evidence in 1912.
Lystrosaurus fossils are found in Antarctica.
16.
Continents where fossils are found. Which has the smallest value?
Cynognathus
Lystrosaurus
Mesosaurus
Glossopteris
17.
Mesosaurus is found in South America and ____.
Asia
North America
Europe
Africa
18.
Which statement is correct?
There is no evidence for sunken land bridges.
Coal in Antarctica formed in ice.
Mesosaurus swam across the Atlantic.
Glossopteris was an animal.
19.
True or false? Gondwana was in the north.
True
False
20.
Continents where fossils are found. What is the total of all the values?
5
12
10
14
21.
Types of evidence used by Wegener. Which has the smallest value?
Climate
Fossils
Coastlines
Rocks
22.
True or false? Rock strata do not match across oceans.
True
False
23.
Which statement is correct?
Land bridges have strong evidence.
Gondwana was in the north.
Mountain belts in Scotland match those in North America.
Fossils form in lava.
24.
Which term matches this definition? “Single supercontinent that broke apart.”
Mid-ocean ridge
Pangaea
Fossil
Convection current
25.
Which is the correct definition of “Glossopteris”?
Fossil fern found across southern continents.
Speeds up a reaction, not used up.
Remains or traces of an ancient organism in rock.
Using electricity to extract reactive metals.
26.
Strata of 5 m formed at 0.5 mm per year. Years taken?
2500 years
10,000 years
10 years
2 years
27.
True or false? Glossopteris was an animal.
True
False
28.
A fossil is 250 million years old; another 220. Difference?
30 million years
250 million years
470 million years
220 million years
29.
Which statement is NOT correct?
Gondwana included Africa, South America, India, Antarctica and Australia.
Wegener used fossil evidence in 1912.
Fossils are found in sedimentary rocks.
Fossils only show when organisms lived.
30.
Types of evidence used by Wegener. Which graph shows these results correctly?
A
B
C
D
31.
Width of the Atlantic Ocean over time. At what value of "Million years ago" is "Width (km)" greatest?
200
150
100
0
32.
Types of evidence used by Wegener. Which has the greatest value?
Coastlines
Rocks
Climate
Fossils
33.
Width of the Atlantic Ocean over time. Which statement best describes the pattern?
"Width (km)" decreases as "Million years ago" increases
"Width (km)" stays the same
"Width (km)" rises to a peak at 0, then falls
"Width (km)" increases as "Million years ago" increases
34.
Two fossil sites are now 4800 km apart after 250 million years. Mean speed in cm/year?
19.2 cm/year
0.2 cm/year
1200000.0 cm/year
1.9 cm/year
35.
Distance between Mesosaurus sites today (km). What is the value for 250 million years ago?
3
2
4800
0
36.
Older rocks are usually ____ in strata.
on top
in the middle
lower
higher
37.
True or false? Glossopteris was a plant.
True
False
38.
Continents where fossils are found. Which graph shows these results correctly?
A
B
C
D
39.
True or false? Fossils are found in sedimentary rocks.
True
False
40.
Glacial marks in India show it was once ____.
cold
underwater
tropical
desert
41.
Which statement is correct?
Gondwana was in the north.
Matching rock strata are found on both sides of the Atlantic Ocean.
Land bridges have strong evidence.
Fossils only show when organisms lived.
42.
Rock strata are ____.
ice
layers
soil only
single crystals
43.
Which term matches this definition? “Southern supercontinent including Africa, South America, India, Antarctica and Australia.”
Gondwana
Covalent bond
Mid-ocean ridge
Wegener
44.
A fossil is 250 million years old; another 200. Difference?
50 million years
450 million years
250 million years
200 million years
45.
Two fossil sites are now 4800 km apart after 200 million years. Mean speed in cm/year?
24.0 cm/year
0.2 cm/year
2.4 cm/year
960000.0 cm/year
46.
Which is the correct definition of “Gondwana”?
Southern supercontinent including Africa, South America, India, Antarctica and Australia.
Rocks left by ice sheets.
Balanced equation with formulae.
New ocean floor forming at ridges and moving apart.
47.
Wegener used fossil evidence in ____.
1912
2012
1962
1812
48.
Why could Glossopteris not have spread across oceans?
Birds carried it
Its seeds were heavy and could not blow across
It could swim
It had no seeds
49.
Which is the correct definition of “Glacial deposits”?
One plate sinking beneath another.
Speeds up a reaction, not used up.
Freshwater reptile fossil found in Africa and South America.
Rocks left by ice sheets.
50.
A fossil is 280 million years old; another 200. Difference?
280 million years
80 million years
200 million years
480 million years
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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31
32
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36
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41
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50
Part of
Chapter 13: Planet Earth and Continental Drift
— see every lesson and quiz in this unit.
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