Physical Science

Carlos uses one golf ball to set another golf ball in motion. The following diagram shows how Carlos designs his experiment. Carlos releases the ball on the string from different heights. Each time, the first ball strikes the second ball, which then rolls down the track. Which force causes the first ball to swing downward?

• a pull due to gravity

• a pull from the string

• a push from Carlos' hand

• friction between air and the golf ball

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light

• The bulb is dimmer

• The wires get hot

• There is no change

If you replace the paper clip with a plastic spoon, what is the plastic spoon acting as?

• A conductor

• A diode

• An insulator

• A switch

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NGSS.MS-PS1-2

Iron rusts

• Physical Change

• Chemical Change

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Logs burning in a campfire.

• Physical Change

• Chemical Change

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture

• Temperature
  

• Shape

•  Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A mixture is the result of a physical change because...

• The parts can be separated

• A new substance is made

• There is a chemical reaction

• One part of the mixture disappears

Dew forming on the ground is an example of?

• evaporation

• condensation

• preciptiation

• transpiration

Tags

NGSS.MS-ESS2-4

This picture is an example of what type of force?

• Friction

• Magnetic

• Gravitational

• Electric

Tags

NGSS.MS-PS2-4