How do birds reproduce?

Reptiles are covered with …………….

When two surfaces rub together, ..................... happens.

I can enjoy skating because of......................... friction.

John filled a beaker with water and dropped a ball into it. He was able to see the water and the ball through the beaker clearly. Which property best describes it?

The process of making food is ……………

Name 2 non -magnetic non -metals.

Where do amphibians lay eggs?

Water tank has to be ……………

Which gas is produced in photosynthesis?

My mom is using a paper towel in the kitchen, as paper towels are.................... .

The pencil is made of 3 different materials. Name them.