Stimulus and Response Worksheet
Explore stimulus and response in living organisms with this Grade 5 science worksheet, covering senses, reactions, and adaptations.
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Stimulus and Response
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Read each question carefully and answer to the best of your ability.
1. What is a stimulus?
A type of animal
Something that causes a reaction
A part of a plant
A type of food
2. Which of the following is an example of a response?
A loud noise
Touching a hot stove
Pulling your hand away from a hot stove
The color red
3. The five senses (sight, hearing, touch, taste, smell) help us detect from our environment.
4. When a plant grows towards sunlight, this is an example of a to a stimulus.
5. Animals often use their senses to find food, which is a to the stimulus of hunger.
6. All living things respond to stimuli.
True
False
7. A reflex is a slow and thought-out response to a stimulus.
True
False
8. Describe how your body responds when you hear a very loud, unexpected noise. Identify the stimulus and the response.
9. Explain one way a plant responds to its environment.
Our bodies have a complex system for detecting and responding to stimuli. Look at the diagram below.

10. What part of the nervous system is primarily responsible for processing stimuli and coordinating responses?
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