Which day is celebrated as World Earth Day?

• April 5

• July 4

• April 22

• April 18

Deforestation is the second leading cause of global warming in the world

• True

• False

Which land-based ecosystem has the most biodiversity?

• deserts

• tropical rainforests

• the tundra

• grasslands

Earth Day is the one and only day during the year that you should care about the environment and act to protect it

• True

• False

What are the three R's of the environment?

• reduce, replace, recycle

• reduce, reuse, recycle

• reduce, read, ride

• rearrange, reduce, recycle

If you are too hot and need to cool down, which of the following methods would use the least amount of energy?

• Open the windows to let a breeze in

• Turn on an electric fan

• Open the freezer door to cool the room

• Put the air conditioner on the coldest setting

What does it mean to reduce?

• To cut things up into little pieces.

• To use less of something.

• To use as much of something as you can.

• To use something again.

What does reuse mean?

• to rot away

• to make something new

• to use again

• to use less of

What does recycle mean?

• to rot away

• to make something new

• to use less of

• to use again

Which of the following can NOT be recycled?

• plastic bottles

• glass jars

• oil

• newspaper