What Is Matter?

Anything that has mass and takes up space is called

• stuff

• matter

• things

• everything

Which answer are examples of things that are not matter?

• ashes, air, water

• clouds, air, wind

• light, temperature, emotions

• nitrogen, helium, oxygen

Who said this:

I am the French chemist who said there is no change in mass when wood is burning or metal is rusting. The amount of matter stays the same.

• Democritus

• Antoine Lavoisier

• Joseph Proust

• John Dalton

Tags

NGSS.MS-PS1-5

Who said this:

I am the Greek philosopher who said the universe is made of empty space and tiny bits of stuff.

• Democritus

• Antoine Lavoisier

• Joseph Proust

• John Dalton

Using this Bohr model of sodium, tell me the atomic number.

• 9

• 2

• 11

• Na

Tags

NGSS.MS-PS1-1

Why do we have to use a model to study an atom?

• atoms are so large that we have to shrink them for a better perspective

• atoms look like all the other atoms

• atoms are so small that they can only be seen through a microscope

• atoms are always red in color

Tags

NGSS.MS-PS1-1

The center of an atom is called the

• middle

• medium

• median

• nucleus

Tags

NGSS.MS-PS1-1

What two particles can be found in the nucleus of an atom?

• rocks and marbles

• protons and electrons

• protons and neutrons

• neutron and electrons

Tags

NGSS.MS-PS1-1

What particle can be found traveling at great speeds around the nucleus of an atom?

• Flash particles

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS3-1

Two of the subatomic particles are pretty much the same size, but how much more mass do protons and neutrons have as compared to electrons?

• 2 times more

• 9 times more

• 18 times more

• 1800 times more