Review Physical Science

Nuclear energy is considered to be​_______________​because it relies on Uranium

A water sample is collected from a lake. It is clear and contains dissolved minerals.

How would you classify it?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Making more efficient gas powered vehicles would help to reduce use of ___________ energy

Tags

NGSS.MS-PS3-3

A powder contains molecules of copper (Cu), Calcium (Ca), and Iron (Fe) atoms. The molecules are all the same size.

How would you classify this powder?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Tags

NGSS.MS-PS1-1

The atomic number of an element is the same as the number of _______ in the nucleus.

Tags

NGSS.MS-PS1-1

Paper burning is a

• Chemical Change

• Physical Change

• No Change

• Both Physical and Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Tearing paper is a

• Chemical Change

• Physical Change

• No Change

• Both Chemical and Physical Change

Coal needs to be mined from a mountainous area. Mining for coal results in the flattening of the mountaintop and removes the soil which increases erosion.

What kind of effect do you think this will have on the environment?

• No effect on environment

• Decreased need for coal

• Increased need for coal

• Water flow off the mountain will change direction

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

If there is a shortage of fossil fuels, the demand for renewable energy will ___________.

Tags

NGSS.HS-ESS3-1

A metal is made of only one type of atom. If each

atom contains 32 protons, you know the metal is classified as a(n)

• Element

• Compound

• Mixture

• Solution