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Environmental Science Essentials

Environmental Science

A collection of core environmental science concepts aligned with primary school curriculum standards.

science environment education

10 Questions Medium Ages 8+ Aug 29, 2026

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About this Study Set

This study set covers Environmental Science through 10 practice questions. A collection of core environmental science concepts aligned with primary school curriculum standards. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Environmental Science Essentials study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which layer of the atmosphere contains the ozone layer that protects Earth from harmful ultraviolet radiation?

A Troposphere
B Stratosphere
C Mesosphere
D Thermosphere

2 What is the process by which green plants convert sunlight into chemical energy?

A Respiration
B Transpiration
C Photosynthesis
D Decomposition

3 Which of these is considered a non-renewable natural resource?

A Wind energy
B Solar energy
C Coal
D Geothermal energy

4 What is the primary gas released by humans during the process of respiration?

A Oxygen
B Nitrogen
C Carbon dioxide
D Hydrogen

5 In an ecosystem, which organisms are responsible for breaking down dead organic matter?

A Decomposers
B Producers
C Primary consumers
D Secondary consumers

6 Which of the following describes the 'water cycle' stage where liquid water turns into water vapour?

A Precipitation
B Condensation
C Infiltration
D Evaporation

7 What is the most abundant gas in Earth's atmosphere?

A Oxygen
B Carbon dioxide
C Nitrogen
D Argon

8 Which type of rock is formed from the cooling and solidification of molten magma or lava?

A Sedimentary
B Metamorphic
C Igneous
D Fossiliferous

9 What term refers to the variety of all living things on Earth?

A Ecosystem
B Biodiversity
C Habitat
D Sustainability

10 Which of these human activities contributes most directly to the increase of greenhouse gases in the atmosphere?

A Recycling paper
B Composting food scraps
C Burning fossil fuels
D Planting native trees

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