grade 5 , con 4 , lesson 3&4

By changing the ..........of a matter, its state may change.

If water is exposed to high temperature, its particles will move.......... and the water may change into

We can use a model to study very large things such as.......

By blowing up a balloon,.........

To examine the structure of tiny particles of a matter, we can use a special type of.......

Particles of............vibrate around their places.

The movement of particles of water is slower than that of...........

The liquid matter is characterized by all the following, except that...........

The model of Earth shows how much of its surface is covered with.......

We can see all planets of the .........system including Earth by using a model.