What year was Earth Day first celebrated: a) 1967, b) 1970, c) 1974?
True or false: The Earth's rainforests provide our planet with approximately one fifth of its oxygen?
What date is Earth Day celebrated across the world?
Can you name two types of pollution?
On Earth Day, people across the world plant: a) Flower seeds, b) Trees, c) Vegetables?
What are the three main types of fossil fuels?
Which of the following words means poisonous: a) Toxic, b) Dangerous, c) Harmful?
Why is the Earth sometimes called the Blue Planet?
True or False: Too much carbon dioxide is NOT harmful to the environment?
Which of the following types of energy is a renewable energy source: a) Solar, b) Coal, c)Natural gas?