Stimulus and Response
Explore how living things react to changes in their environment with this Grade 3 Science worksheet on stimulus and response.
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Stimulus and Response
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Read each question carefully and answer to the best of your ability. A stimulus is something that causes a reaction, and a response is the reaction itself.
1. What is a stimulus?
The way a living thing moves
Something that causes a reaction
The reaction itself
A type of plant
2. What is a response?
A change in the environment
The color of an animal
The reaction to a stimulus
A loud noise
3. When you touch a hot stove, the heat is the and pulling your hand away is the .
4. A plant growing towards sunlight is a to the stimulus of .
5. All living things respond to stimuli.
True
False
6. Describe an example of an animal responding to a stimulus in its environment.
Use the words below to complete the sentences.
7. A sudden loud is a that might make you jump.
8. When a plant turns its leaves towards the , this is a .
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