Open Scied

Your blood is like an Amazon delivery truck. Why?

• Blood brings food molecules and oxygen to cells and takes carbon dioxide and water away.

• Blood delivers carbon dioxide to the cells. and takes away food.

• Blood brings food molecules to the lungs and takes oxygen away from cells

Why do the cells of your body need glucose?

• for energy

• to excrete

• to absorb carbon dioxide.

Tags

NGSS.MS-LS1-2

Energy transfers from hotter objects to colder ones.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In a solid, particles move ___

• by sliding past each other

• freely

• in place

In a gas, particles move

• freely

• by vibrating in place

• by sliding past each other

Tags

NGSS.MS-PS1-4

If we are doing an experiment to see how much a warming light shining on a cup will affect how fast the cup warms up what is the INDEPENDENT VARIABLE?

• temperature change of the water

• amount of light

• amount of water in the cup

• material of the cup

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If we are doing an experiment to see how the amount of light shining on a cup affects how fast the water warms up, what would be the DEPENDENT VARIABLE?

• amount of light

• amount of water in the cup

• temperature change of the water

• material of the bottle

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is is called when gas molecules turn into a liquid?

• condensation

• evaporation

• melting

• freezing

Tags

NGSS.MS-PS1-4

What is it called when molecules turn from a liquid into a gas?

• condensation

• evaporation

• melting

• sublimation

Tags

NGSS.MS-PS1-4

In this activity, we put butter on metal spoons in hot, room temperature, and cold water cups. Which one did the butter slide into the water in?

• Hot

• Room temperature

• Cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4