Final Review

Select ALL the reactants.

• CH4

• 2O2

• CO2

• 2H2O

Answer explanation

Reactants will be on the left of the arrow.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Select ALL the products.

• CH4

• 2O2

• CO2

• 2H2O

Answer explanation

Products will be on the right of the arrow.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is this and what is its function?

• Alveoli; absorbs oxygen/carbon dioxide

• Alveoli; absorbs food molecules

• Villi; absorbs oxygen/carbon dioxide

• Villi; absorbs food molecules

Tags

NGSS.MS-LS1-2

After cellular respiration, how do carbon dioxide and water leave our cells?

• CO2 and H2O leave the cells as excrement

• CO2 and H2O leave the cells as sweat

• All CO2 and H2O are produced in the lungs and exhaled

• CO2 and H2O are carried by the blood back to the lungs and then exhaled

Tags

NGSS.MS-LS1-2

How does the circulatory system support cellular respiration?

• The circulatory system uses our breath to move oxygen and carbon dioxide to the cells for energy

• The circulatory system uses our nerves to move just oxygen to the cells for energy

• The circulatory system pumps the blood that moves oxygen and glucose to the cells for energy

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

During hibernation, chipmunks do not eat anything. Where do they get the energy needed to survive?

• Chipmunks use their muscles in cellular respiration

• Chipmunks use their fat reserves in cellular respiration

• Chipmunks inhale glucose from the air and use it in cellular respiration

• Chipmunks store their food in their cheeks

The more energy that the wave shown in this figure, the greater is its _______.

• amplitude

• density

• frequency

• pitch

Tags

NGSS.MS-PS4-1

In an experiment a plant is given 1 gram of fertilizer once a week to see if it affects the plant's height. What is the independent variable?

• water

• fertilizer

• height of plant

• sunlight

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In an experiment a plant is given 1 gram of fertilizer once a week to see if it affects the plant's height. What is the dependent variable?

• water

• fertilizer

• height of plant

• sunlight

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1