SCIENCE QUIZ 3|PLANTS RESPOND TO STIMULI|YEAR 4

Based on the video we watched, which stimulus are the plants responding to?

• gravity

• light

• heat

• cold

How do plants respond to gravity?

• The roots and stem both

  grow downward.

• The roots and stem both

  grow upward.

• The roots grow downward and

  the stem grows upward.

• The roots grow upward and the

  stem grows downward.

Tags

NGSS.MS-LS1-5

NGSS.MS-PS2-4

Which way do the leaves grow?

• with gravity

• against gravity

What type of stimuli that cause the following response in this plant?

• light

• gravity

• touch

• water

State the type of stimulus that causes the response by the plant above?

• light

• touch

• gravity

• water

Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?

• touch

• water

• light

• gravity

Which stimuli is this plant responding to?

• heat

• gravity

• light

• touch

Plants will always grow toward this stimulus, and they normally take the shortest path to it.

• grass

• light

• gravity

• heat

Tags

NGSS.MS-LS1-5

What is stimuli?

• changes in an organism’s environment that cause a response.

• plant’s response to the number of hours of darkness in its environment.

• substances that act as chemical messengers within plants.

• growth toward a stimulus.

What is an example of a stimulus for plants?

• Touch

• Gravity

• Light

• all of the above