air

A paper kite needs air to _______________

__________ is the type of air that is dangerous and can destroy objects.

An inflated balloon is full of __________.

An empty bottle dipped into a bucket of water produces _____________.

One of these need air except __________________

The type of soil used for building concrete blocks is ___________

___________ is used for molding and for making bricks.

The best type of soil for planting is ________________

What type of soil has large particles? __________________

What type of soil has smaller particles and can stick together?