Physical Science Vocabulary Test 1

1.

1 point

_________ is the amount of space an object takes up.

Mass

Volume

Density

Nucleus

2.

1 point

_________ have a negative charge.

Electrons

Neutrons

Protons

Neither

3.

1 point

A ________ is a state of matter in which the particles are loosely packed together and able to slide past each other.

liquid

gas

plasma

solid

4.

1 point

A ______ is a state of matter in which the particles are spread further apart from each other and are able to move quickly and freely.

plasma

liquid

solid

gas

5.

1 point

What is a chemical change?

a change that occurs that causes the identity of a substance to change; something new is formed.

a change that does not change the identity of a substance; something new is not formed.

a change in which a nothing happens.

both b and c.

6.

1 point

The _________ is the number of protons and neutrons an atom has.

atomic mass

atomic number

numerical value

neither

7.

1 point

What is density?

the amount of mass in a given volume.

a unit used to measure the size of a object.

the way and object looks or feels.

neither

8.

1 point

_______ have a neutral charge.

Protons

Electrons

Both a and b

Neutrons

9.

1 point

A ________ is a substance made of two or more elements that are chemically combined.

atom

element

compound

solution

10.

1 point

What is matter?

anything that does not have mass, and does not take up space.

any liquid that has mass and takes up space.

any gas that has mass and takes up space.

anything that has mass and takes up space.

11.

1 point

A ______ is a state of matter in which the particles are tightly packed together.

liquid

gas

solid

plasma

12.

1 point

_______ have a positive charge.

Neutrons

Electrons

Elements

Protons

13.

1 point

What is mass?

a scientific instrument

the measure of the pull of gravity on an object

the amount of matter in a object

neither

14.

1 point

_______ are the smallest units of matter.

Atoms

Elements

Compounds

Solids

15.

1 point

What is a physical change?

a change that causes a new substance to form.

a change in which chemicals are involved.

a change that occurs without changing the identity of the substance; no new substances are formed.

both a and b