What is matter?

What is the basic unit of matter?

• cell

• atom

• neuron

• aplum

Answer explanation

Atom means "uncuttable" or "indivisible".

a is a prefix that means "not"

tom is a root that means "cut"

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are three main states of matter?

• solid, liquid, gas

• ice, water, steam

• color, density, shape

• oxygen, helium, carbon dioxide

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How could you tell if a yellow rock was gold?

• Check its location, such as where it was found.

• Check its energy, such as heat and velocity.

• Check its properties, such as density and hardness.

• Check its uses, such as in cars, electronics, and teeth (dentistry).

Matter is always moving at the molecular level.

• True

• False

Tags

NGSS.MS-PS1-4

Adding heat makes molecules move _______.

• down

• up

• faster

• slower

Tags

NGSS.MS-PS1-4

Adding heat makes matter ______ volume.

• decrease (less)

• increase (more)

• keep the same

Tags

NGSS.MS-PS1-4

Adding heat makes matter...

• melt

• boil

• condense

• solidify

Tags

NGSS.MS-PS1-4

How many different types of atoms are there?

• about 10

• about 50

• about 100

• about 500,000

A group of atoms connected together is called

• a mass

• just atoms

• an element

• a molecule

Tags

NGSS.MS-PS1-1

Matter is anything that has ____ and ____.

• mass

  volume

• length

  width

• speed

  direction

• energy

  magnitude