OpenSciEd

The exhaled air from our body consists mostly of__________

• carbon dioxide

• nitrous oxide

• oxygen

• helium

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

Tags

NGSS.MS-LS2-3

Our cells are constantly in need of energy. Through a chemical reaction, the cells turn _____ and _____ into a usable form of energy.

• oxygen ; carbon dioxide

• oxygen ; glucose

• carbon dioxide ; glucose

• carbon dioxide ; water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which reactant molecule from the air is needed by all of your cells?

• oxygen

• carbon dioxide

• fat

• glucose

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

Tags

NGSS.MS-LS2-3

Why do the cells of your body need glucose?

• for energy

• to excrete

• to absorb carbon dioxide.

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

NGSS.MS-LS1-7

How do the air particles between the speaker and sound detector move?

• The particles travel across the whole space to the sound detector.

• The particles vibrate back and forth.

Tags

NGSS.MS-PS4-1

How is energy transferred through the medium?

• The air particles collide into each other over the space between the speaker and the sound detector.

• The speaker sends out energy.

Tags

NGSS.MS-PS4-1

If the sound had a large amplitude, how would the particles move?

• They would vibrate back and forth farther away from the speaker.

• They would vibrate back and forth closer to the speaker.

• They would vibrate back and forth faster.

• They would vibrate back and forth slower.

Tags

NGSS.MS-PS4-1

These waves have the same amplitude.

• True

• False

Tags

NGSS.MS-PS4-1