Ecology and Earth Science
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Food Chains and Food Webs
SubtopicFood Chains and Food Webs under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of these would be a secondary consumer in a pond?
A.Water lily
B.Small fish eating water fleas
C.Water flea eating algae
D.Algae
- 2.
Which of these is a product of photosynthesis that provides energy for consumers?
A.Carbon dioxide
B.Water
C.Glucose (Sugar)
D.Soil
- 3.
When two animals fight for the same limited food source, it is called:
A.Cooperation
B.Mutualism
C.Competition
D.Decomposition
Download the worksheet for Ecology and Earth Science - Food Chains and Food Webs to practice offline. It includes additional chapter-level practice questions.
Biotic and Abiotic Factors
SubtopicBiotic and Abiotic Factors under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of these is a biotic factor that might change the shape of a riverbank?
A.Beavers building a dam
B.Water flowing fast
C.Ice freezing in winter
D.Rocks rolling downstream
- 2.
The level of light in the deep ocean is very low. This 'light level' is an example of:
A.A biotic factor
B.An abiotic factor
C.A biological factor
D.A consumer
- 3.
Which of these is a biotic factor that a hawk depends on for survival?
A.Strong winds
B.Mice
C.High cliffs
D.Clear skies
Download the worksheet for Ecology and Earth Science - Biotic and Abiotic Factors to practice offline. It includes additional chapter-level practice questions.
The Water Cycle
SubtopicThe Water Cycle under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
Which part of the water cycle involves water changing from a liquid to a gas because of the sun's heat?
A.Condensation
B.Precipitation
C.Evaporation
D.Freezing
- 2.
What is the term for a large mass of moving ice that stores freshwater for long periods?
A.Aquifer
B.Lake
C.Glacier
D.Stream
- 3.
Of all the water on Earth, about what percentage is accessible freshwater available for human use?
A.97%
B.50%
C.Less than 1%
D.25%
Download the worksheet for Ecology and Earth Science - The Water Cycle to practice offline. It includes additional chapter-level practice questions.
The Rock Cycle
SubtopicThe Rock Cycle under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
The powder color left behind when a mineral is rubbed against a rough tile is called its:
A.Luster
B.Streak
C.Hardness
D.Cleavage
- 2.
What happens when igneous rock is buried deep underground and subjected to high heat and pressure, but does not melt?
A.It stays igneous
B.It becomes sedimentary
C.It becomes metamorphic
D.It turns into magma
- 3.
Which of these is NOT one of the three main groups of rocks?
A.Igneous
B.Sedimentary
C.Metamorphic
D.Mineral
Download the worksheet for Ecology and Earth Science - The Rock Cycle to practice offline. It includes additional chapter-level practice questions.
Human Impact on the Environment
SubtopicHuman Impact on the Environment under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
What does the term 'conservation' mean in science?
A.The careful management and protection of natural resources
B.The process of using up all the oil as fast as possible
C.The study of how to build bigger and faster cars
D.The act of throwing trash into the ocean
- 2.
Which of these is a natural resource that humans get from the Earth?
A.Computers
B.Plastic bottles
C.Cell phones
D.Fresh water
- 3.
Why do some cities build 'wildlife corridors' (like bridges for animals) over busy highways?
A.To give people a better view of the animals
B.To make the highway look more like a forest
C.To allow animals to move safely between habitats without being hit by cars
D.To give birds a place to build nests on the road
Download the worksheet for Ecology and Earth Science - Human Impact on the Environment to practice offline. It includes additional chapter-level practice questions.
Sustainable Development Goals (SDGs)
SubtopicSustainable Development Goals (SDGs) under Ecology and Earth Science for Grade 7 IB.
Preview questions (no answers)
- 1.
Which Sustainable Development Goal is primarily about 'Life Below Water'?
A.SDG 12
B.SDG 13
C.SDG 14
D.SDG 15
- 2.
In the context of SDG 13, what is 'Global Warming'?
A.The Earth getting colder over time
B.The rise in Earth's average temperature due to greenhouse gases
C.The heat produced by a single campfire
D.A normal change that happens every summer
- 3.
Which of these is a major goal for SDG 11 (Sustainable Cities)?
A.Reducing the amount of trash collected
B.Ensuring affordable housing for everyone
C.Closing all public parks
D.Removing all buses from the streets
Download the worksheet for Ecology and Earth Science - Sustainable Development Goals (SDGs) to practice offline. It includes additional chapter-level practice questions.