grade 5 , con 4 , lesson 3&4

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

• a mass

• b. volume

• c. color

• d. temperature

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

• a. faster ice.

• b. faster water vapor.

• c. slower ice.

• d. slower - water vapor.

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

• a. solar system.

• b. germs.

• c. microbes.

• d. viruses.

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

• a. its volume decreases.

• b. its volume increases.

• c. its color changes.

• d. its mass doesn't change.

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

• a. microscopes.

• b. balances.

• c. thermometers.

• d. rulers.

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

• a glass

• b. air

• c. oxygen

• d. water

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

• a. wood.

• b. plastic.

• c. air.

• d. gold.

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

• a. its particles move faster than solid particles.

• b. its particles move slower than gas particles.

• c. its particles can slide over each other.

• d. its particles are held together more closely than solid particles.

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

• a. gasoline.

• b. water.

• c. milk.

• d. animals.

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

• a. solar

• b. digestive

• c. respiratory

• d. muscular