Environmental Problems
Green Solutions
Energy & Climate
Materials & Recycling
Eco Challenge
100

Smoke from cars and factories can cause this type of pollution.

What is air pollution?

100

To process old materials so they can be used to make new products.

What is recycle?

100

What do wind farms use to produce electricity?

Wind.

100

Name four different materials that can be found in everyday objects:

aluminium – cardboard – brick – iron – leather – rubber – sand – foam – denim – nylon

100

Name three endangered species.

Tigers, pandas, elephants, orangutans, polar bears, sea turtles, etc.

200

Rivers, oceans and lakes can be affected by this type of pollution when chemicals, rubbish or sewage enter the water. 

What is a water pollution?

200

Your family has an old wooden ladder that nobody uses anymore. You turn it into a bookshelf. What is this called?

Repurposing

200

“Solar power and wind power are examples of __________ energy.” 

renewable

200

This material is made from trees and is commonly used for boxes and packaging.


What is cardboard?

200

Your school produces too much plastic rubbish. Give two ideas to make the school greener.

Recycling bins, reusable bottles, less plastic packaging, recycling campaigns, etc.

300

This happens when too many trees are cut down in a forest.

What is deforestation?

300

You are going to school and it is only 10 blocks away. Name two greener ways of getting there instead of using a car.

Walking / cycling / public transport.

300

Energy produced by sunlight.

What is solar power?

300

This material is commonly used to make cans. It is a lightweight metal.

What is aluminium?

300

A factory is making a lot of noise near people's homes. What type of pollution is this? Give one possible solution.

Noise pollution. 

Possible solution: sound barriers, limiting working hours, moving the factory, etc.

400

The Earth is becoming warmer because of an increase in greenhouse gases.

What is global warming?

400

A supermarket wants to reduce the amount of plastic it uses. What could it offer customers instead of plastic bags?

Reusable bags / paper bags / bags made from other sustainable materials.

400

Energy that comes from sources that can naturally be replaced.

What is renewable energy?

400

Which two materials are commonly used to make clothes?
A) denim and nylon
B) brick and sand
C) iron and aluminium

A — denim and nylon

400

Complete the sentence with a logical idea:

“If people continue cutting down forests, __________________________.”

“…many animals will lose their homes.”
“…deforestation will increase.”
“…more CO₂ will be released.”
“…climate change will become worse.”

500

Plastic bottles and other rubbish are often taken to this place, where they are buried.

What is a landfill?

500

A school wants to save electricity. Give three practical changes the school could make to help the environment.

  • Turn off lights when classrooms are empty.
  • Use energy-efficient lights.
  • Turn off computers after use.
  • Use natural light whenever possible.
  • Install solar panels.
  • Reduce the use of air conditioning.
500

Explain the difference between global warming and climate change in your own words.

Global warming is the long-term increase in Earth's temperature.

Climate change refers to long-term changes in temperatures, rainfall, weather patterns, etc.

500

You find an old pair of jeans, a rubber tyre and an aluminium can. Suggest one possible way to reuse or repurpose each object.

  • Jeans → bag / shorts / decoration
  • Rubber tyre → planter / swing
  • Aluminium can → pencil holder / plant pot
500

Your town wants to become a greener city. In 30 seconds, suggest three changes using at least three vocabulary words from the game.

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