Openscied 7.4

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

Blood is part of which system?

• circulatory

• respiratory

• digestive

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

• oxygen

• carbon dioxide

• fat

• glucose

Tags

NGSS.MS-LS2-3

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

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is being labeled in this picture?

• Amplitude

• Frequency

• Wavelength

• Peak

Tags

NGSS.MS-PS4-1

What part of the wave is labeled here?

• Amplitude

• Frequency

• Peak

• Wavelength

Tags

NGSS.MS-PS4-1

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

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-PS3-5

These waves have the same amplitude.

• True

• False

Tags

NGSS.MS-PS4-1