Science Review Texas

What does this symbol indicate about a chemical?

• It can cause injury to body tissue.

• It catches fire easily.

• It is hazardous to the environment.

• It can be harmful to your lungs.

Photosynthesis is the process that uses light energy to make food for organisms. Which of the following are end products made by this process? Select two correct answers.

• glucose

• chloroplasts

• oxygen

• carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What happens to the solar energy absorbed by plants during photosynthesis?

• It is recycled by the plant and returned to the atmosphere.

• It is converted into oxygen and glucose.

• It is stored as heat within the plant for cellular functions.

• It is transformed into chemical energy.

Tags

NGSS.MS-LS1-6

What process in the natural world converts radiant energy into chemical energy?

• respiration

• phototropism

• combustion

• photosynthesis

Tags

NGSS.MS-LS1-6

In this diagram, where is light energy converted to chemical energy?

• Sun

• Grass

• Grasshopper

• Hawk

Tags

NGSS.MS-LS1-6

Why is it necessary to have sunlight in this equation?

• Sunlight uses carbon dioxide and water to form sugar.

• The arrow represents the specific direction of sunlight.

• The process cannot occur without energy from the Sun.

• The arrow tells the equation to yield.

Tags

NGSS.MS-LS1-6

The image depicts a plant and an animal cell. Which organelles will only be found in plant cells? Select TWO correct answers.

• Nucleus

• Cell Wall

• Cytoplasm

• Chloroplast

Tags

NGSS.MS-LS1-2

The source of energy for this food chain is -

• sunlight

• soil

• water

• seeds

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Compared with the genetic material of the original cell in this diagram, after mitosis each of the two new cells contains :

• half the genetic material of the parent cell

• twice as much genetic material as the parent cell

• genetic material that is identical to the parent cell

• new genetic material that is different from that of the parent cell

Tags

NGSS.MS-LS3-1

Which of these is an example of an unsafe practice in a lab?

• testing a substance by tasting it

• watering a plant without wearing gloves

• detecting an odor by moving air toward you with your hand

• pulling your hair back when working with flames