The place in which a plant, animal, bird or fish normally lives is its ............................................. .

Which gas is mainly responsible for the green house effect?

Global warming will cause an increase of ..................................... .

You can .................................... plastic bags again and again until they get holes in them.

Which of the following is biodegradable?

Which of the following is not a renewable source of energy?

Gases that stop heat from escaping into space are called ........................................ gases.

Cutting of trees in a forest is called

What type of waste is the most harmful for marine life?

Let's .............................. some of the rubbish.

Which is NOT a fossil fuel?

This weekend we're taking ........................................ in a clean up campaign.

How many years does it take for a plastic bottle to fully decompose?

Which items cannot be recycled?

Which is not part of the Three R's of Environment?

Which items does it take 4000 years to decompose?

Bring our own bags, so we can ................................. the use of plastic shopping bags.

Toxic gases are

Pollution has a serious ................................... on everyone in one way or another.

Turn off the unused devices to ......................................... .

Endangered animals

________________________ is a material that is found in nature and that is used by living things.

This is an example of reducing:

These are three main types of pollution:

This is an example of recycling:

Which of the following is NOT an example of a renewable resource?

_________________________ is to use less of something.

This is an example of reusing:

__________________________ is a resource that, when it is used up, will not exist again during a human lifetime.

Which of the following are examples of nonrenewable resources:

_________________________ is any harmful material in the environment.

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

What are areas where freshwater meets saltwater called?

What factors affect aquatic ecosystems?

Plankton that uses photosynthesis:

Which factor(s) affect aquatic ecosystems?

Wetlands and estuaries purify water and filter out ________________________ .

Why does photosynthesis not occur in the deep ocean?

Which of the following are producers in the food web?

What is the main effect of thermal pollution to the oxygen solubility in water bodies?

Which one of the following can cause thermal pollution?

Which one of the following cause thermal pollution?

How does soil erosion cause thermal pollution?

What is called when an industry removes water from a source and then returns the heated water to its source?

What is the advantage of control measures of thermal pollution by passing the heated water?

Which one of the following cause thermal pollution?

What forms when two atoms combine?

Which of the following cannot be broken down into something simpler?

Which two particles make up the nucleus of an atom?

What is at the centre of every atom?

In an atom, what is the number of protons equal to?

What geologic feature/ event you be most likely to find at a divergent boundary?

In which type of boundary do the plates move away from each other?

Plates slide past one another at _____________________________ boundaries.

What is a divergent plate boundary?

Plates colliding and buckling into another at __________________________ boundaries.

Can changes to the Earth's surface affect the ocean floor?

What is the top layer of the Earth's surface called?