Atomic Theory 2

What is the smallest unit of matter that has the characteristics of an element?

• Molecule

• Atom

• Proton

• Electron

Which of the following is an example of an atom?

• Water

• Oxygen

• Carbon dioxide

• Salt

Tags

NGSS.MS-PS1-1

What is matter according to what we went over in class.

• Anything that can be seen, touched, felt, tasted, or heard

• Anything that cannot be seen, touched, felt, tasted, or heard

• Only things that can be seen and touched

• Only things that can be felt and tasted

Tags

NGSS.5-PS1-1

Which of the following is NOT mentioned as matter in the text?

• Stars

• Planets

• Asteroids

• Black holes

What percentage of the universe is made up of matter?

• Less than 5%

• 10%

• 25%

• 50%

Tags

NGSS.HS-ESS1-2

What makes up the rest of the universe besides matter?

• Light and Sound

• Dark Matter and Dark Energy

• Stars and Planets

• Galaxies and Nebulae

Can scientists detect Dark Matter and Dark Energy directly?

• Yes, they can detect it directly.

• No, they cannot detect it directly.

• Only Dark Matter can be detected directly.

• Only Dark Energy can be detected directly.

What percentage of the universe is made up of Dark Matter?

• 10%

• 27%

• 50%

• 75%

• -3%

Why can't we see or test Dark Matter?

• It is too far away

• It is too small

• It does not interact with light

• It is moving too fast

What is the substance that keeps galaxies together and prevents them from flying apart?

• Dark matter

• Light matter

• Cosmic dust

• Solar wind