Grade 8 Quiz: Fluids

The instrument used to measure the volume of liquids is a(n)_____________________.

• beaker

• eyedropper

• graduated cylinder

• balance scale

Water and other fluids exert a downward force called a buoyant force.

• True

• False

All substances have the same density

• False

• True

Scientists can use the measure of density to tell if something will float.

• False

• True

What is mass?

• The amount of space something takes up.

• The amount of matter in a substance.

• The ability of a solid to float.

• The amount of space between the particles of a substance.

What is volume?

• A. The amount of space something takes up.

• B. The amount of matter in a substance.

• C. Measured in cubic centimetres or millilitres.

• D. Both A and C

Which force does streamlining reduce?

• weight

• air resistance

• reaction force

• electrostatic

If you go to the Moon, your mass stays the same but your weight will change.

• True

• False

Liquids take the same ________ and _________ as their container.

• shape and size

• shape and volume

• size and color

• size and temperature

This is a measurement of the amount of matter in an object or substance.

• volume

• density

• mass

• length