Science 4th

What do you call the process of changing gas to liquid.

• condensation

• freezing

• melting

• evaporation

Physical and Chemical change occur in matter.

• True

• False

Liquids have a definite volume.

• True

• False

What must you do before using a household product?

• read label

• use it immediately

• surf in the internet

• drink it

liquids are fluids.

• True

• False

Matter can be solid , liquid or gas.

• True

• False

matter does not undergo changes

• True

• False

Useful substances may also be harmful to living things if not handled properly.

• True

• False

it is the resistance of liquid to flow.

• liquid

• solid

• viscosity

• gases

Which are hazardous products at home ?

• paper, steel, glass

• milk, sugar, coffee

• paint, battery, hair spray

• apple, banana, mango