Science 8 Ch. 1 (Matter)

A balloon filled with helium floats on earth.

What does this tell you about the density

of helium?

• Helium is more dense than air.

• Helium is less dense than air.

• The two gasses have the same density.

• When cooled, helium becomes less dense.

The amount of matter in an object

is a measure of its _______.

• weight

• density

• volume

• mass

The formula for calculating density is _______.

• Volume/ Mass

• Mass X Volume

• Mass/ Volume

• Volume X Weight

Which of the following statements

about the mass of an object is correct?

• Mass changes with gravity.

• Mass changes with location.

• Mass remains constant.

• Mass changes with altitude.

Tags

NGSS.MS-PS1-5

The SI unit of mass is the cubic meter.

• True

• False

One liter is equal to 100 milliliters.

• True

• False

An object’s weight is less on the moon than on Earth. On the

moon, the object’s mass decreases.

• True

• False

An object that floats in water has a density less than 1 g/mL.

• True

• False

Four measurable properties of matter are mass, weight,

volume, and pressure.

• True

• False

A molecule is the smallest part of ______.

• element

• mixture

• substance

• atom

Tags

NGSS.MS-PS1-1