What is this?
Sun
Are clouds heavy?
Yes
How can we protect the Earth?
plant trees, recycle, walk more, learn about nature,..etc.
What is this?
water
What is this?
air
Plant a ______.
flower
Is this glass or metal?
glass
What day is Earth Day?
April 22
Is this metal or glass?
metal
_______ a plant.
Plant
What is this?
trash
Is this paper or plastic?
paper
We need to _______ the Earth.
protect
Can this be recycled?
yes
What do trees give us?
Air!
Plant a _______.
tree
Is this plastic or metal?
plastic
What does he protect?
trees