A plant’s leaves are green because ________.

• they contain chlorophyll.

• all colors of the visible spectrum are reflected and only green is absorbed.

• all colors in the visible spectrum are absorbed except green.

• the sky is blue.

What are the reactants needed for producing food in a green plant?

• Carbon dioxide and water

• Oxygen and water

• Carbon dioxide and oxygen

• Nitrogen and phosphorus

Tags

NGSS.MS-LS1-6

What part of the leaf is responsible for absorbing the sun’s energy?

• Epidermis

• Veins

• Chloroplast

• Stoma

Tags

NGSS.MS-LS1-6

What structure of the plant transports water from the roots to the leaves?

• Xylem

• Phloem

• Chloroplast

• Stoma

What structure of the plant transports food (glucose) to the leaves?

• Xylem

• Roots

• Phloem

• Stomata

The stoma on the underside of the leaf allows ________ and ________ to move in and out of the leaf.

• oxygen and carbon dioxide

• nitrogen and oxygen

• water and minerals

• sunlight and water

Tags

NGSS.MS-LS1-6

What are the products of photosynthesis?

• Oxygen and sugars

• Carbon dioxide and water

• Sunlight and heat

• Nitrogen and phosphorus

Tags

NGSS.MS-LS1-6

Glucose is another name for what compound?

• sugar

• salt

• water

• food

The Law of Conservation of Mass means:

• Matter cannot be created or destroyed in an isolated system.

• Energy cannot be created or destroyed, only transformed.

• The mass of an object is dependent on its velocity.

• Mass can be converted into energy.

Tags

NGSS.MS-PS1-5

A plant's response to water or moisture: ____________

• hydrotropism

• thigmotropism

• geotropism

• phototropism