Open Scied

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

NGSS.MS-PS4-2

NGSS.MS-PS3-5

If the sound had a low pitch, how would the particles move?

• The particles would vibrate back and forth farther from the speaker.

• The particles would vibrate back and forth closer to the speaker.

• The particles would vibrate back and forth slower.

• The particles would vibrate back and forth faster.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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 low pitch sound?

• The hair cells would vibrate slowly.

• The hair cells would vibrate quickly.

• The hair cells would move back and forth farther.

• The hair cells would move back and forth less far.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

Tags

NGSS.MS-LS2-3

The air sacs that are covered with capillaries where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.MS-LS1-3

When a person like Amaya burns glucose, where do the product molecules of CO2 and H20 go?

• out of the body through sweat

• out of the body through pooping

• out of the body through breathing

• turned into muscle

Tags

NGSS.MS-PS1-5

What's the difference between starch and glucose?

• Starch is a type of protein and glucose is a sugar

• Starch is made up of many glucose molecules bonded together

• Glucose is made up of many starch molecules bonded together

• Glucose is a type of protein and starch is a sugar

What does COMPLEX CARBOHYDRATES (starch) turn into when it is chemically broken apart?

• Glucose

• Fatty Acids

• Amino Acids

• Fiber

Tags

NGSS.MS-LS1-7

Why are some molecules absorbed into the blood stream, but some molecules are not?

• Some molecules are bigger than others.

• Some molecules are liquids.

• Some molecules are healthier for you.

• Some molecules are smaller than others.

Tags

NGSS.MS-PS1-2