OpenSciEd 8.5

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-LS1-7

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

• oxygen

• carbon dioxide

• fat

• glucose

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-LS2-3

What are the reactants in this chemical equation?

• villi and alveoli

• water and energy

• glucose and oxygen

• blood and cells

Tags

NGSS.MS-LS1-6

What part of the wave is labeled here?

• Amplitude

• Frequency

• Peak

• Wavelength

Tags

NGSS.MS-PS4-1

What causes the speaker to vibrate?

• The sound makes it vibrate.

• The speaker needs a force such as being plugged in or turned on to cause vibration.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When the speaker vibrates, why do the air particles move?

• The air particles move because the speaker pushes on the air particles.

• The air particles move because of the sound.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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-PS3-5

NGSS.MS-PS4-1

Why does the sound detector vibrate?

• It vibrates because the speaker is playing sound.

• It vibrates because the air molecules are pushing on the sound detector.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How would hair cells react to a quiet sound?

• They would vibrate back and forth quickly.

• They would vibrate back and forth slowly.

• They would vibrate less far.

• They would vibrate farther.

Tags

NGSS.MS-LS1-3

NGSS.MS-PS3-5