Earth and Sun Investigation 4

Which 2 types of sand are the coolest?

• Wet black sand

• Dry black sand

• Wet white sand

• Dry white sand

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why is wet sand always cooler than dry sand in the sun? Pick 2.

• Water absorbs the sunlight

• Water reflects the sunlight

• Liquids heat up and cool off the fastest

• Solids heat up and cool off the fastest

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water molecules are ....

• fast moving and far apart.

• slow moving and close together

• do not move and are squished together

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Air molecules are ....

• fast moving and far apart.

• slow moving and close together

• do not move and are squished together

Tags

NGSS.MS-PS1-4

Solid molecules are ....

• fast moving and far apart.

• slow moving and close together

• do not move and are squished together

Tags

NGSS.MS-PS1-4

When any molecules heat up they...

• slow down

• speed up

• disappear

• grow bigger

Tags

NGSS.MS-PS1-4

What causes wind?

• Energy from the Sun causes oxygen particles in the air to move faster than nitrogen

• Dense, cold air falls closer to the ground and pushes warm air away.

• Wind is caused by things like leaves and flags pushing particles in the air

• Light, cold air rises in the air and pushes denser warm air away

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What line represents soil?

• X

• Y

Radiation means...

• Objects heat up through direct contact

• Objects heat up through waves or rays

• Objects heat up through liquid or gas

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Conduction means...

• Objects heat up through direct contact

• Objects heat up through waves or rays

• Objects heat up through liquid or gas

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3