Worksheet on how living things respond to stimuli, with matching exercises for students.

Let's solve this worksheet step by step.

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Worksheet Title: *Living Things Respond to Stimuli*

Objective: Match each stimulus (a change in the environment) with the correct response from living things.

We are given 8 stimuli and a "Word Box" with 8 possible responses. We need to match each stimulus to the appropriate response.

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Step 1: Understand the Stimuli and Possible Responses

#### Stimuli:
1. You touch a mimosa plant
2. Owls and bats sleep during the morning
3. You hear the sound of the alarm clock
4. A frog jumps on the leaves of a Venus flytrap plant
5. The lights are too bright in your bedroom
6. You touch the body of a snail
7. You smell the scent of the garbage
8. On a hot day, plants lose water

#### Word Box (Responses):
- You cover your eyes or squint.
- It closes its leaves
- It closes its leaves and traps the frog inside
- You cover your nose because it smells bad
- Plants curl up their leaves and wilt
- You cover your ears because it’s too loud.
- It retracts itself in its shell
- They are awake at night

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Step 2: Match Each Stimulus to the Correct Response

Let’s go one by one:

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1. You touch a mimosa plant
→ Mimosa plant is known for closing its leaves when touched.
✔ Response: *It closes its leaves*

2. Owls and bats sleep during the morning
→ This implies they are active at night.
✔ Response: *They are awake at night*

3. You hear the sound of the alarm clock
→ Loud sound → you might cover your ears.
✔ Response: *You cover your ears because it’s too loud.*

4. A frog jumps on the leaves of a Venus flytrap plant
→ Venus flytrap captures insects; if something touches its trigger hairs, it closes and traps.
✔ Response: *It closes its leaves and traps the frog inside*

5. The lights are too bright in your bedroom
→ Bright light → you might squint or cover your eyes.
✔ Response: *You cover your eyes or squint.*

6. You touch the body of a snail
→ Snails retract into their shells when threatened.
✔ Response: *It retracts itself in its shell*

7. You smell the scent of the garbage
→ Bad smell → you cover your nose.
✔ Response: *You cover your nose because it smells bad*

8. On a hot day, plants lose water
→ Plants may wilt or curl leaves to reduce water loss.
✔ Response: *Plants curl up their leaves and wilt*

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Final Answer Table:

| STIMULUS | RESPONSE |
|--------------|-------------|
| You touch a mimosa plant | It closes its leaves |
| Owls and bats sleep during the morning | They are awake at night |
| You hear the sound of the alarm clock | You cover your ears because it’s too loud. |
| A frog jumps on the leaves of a Venus flytrap plant | It closes its leaves and traps the frog inside |
| The lights are too bright in your bedroom | You cover your eyes or squint. |
| You touch the body of a snail | It retracts itself in its shell |
| You smell the scent of the garbage | You cover your nose because it smells bad |
| On a hot day, plants lose water | Plants curl up their leaves and wilt |

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✔ Summary:

All responses have been matched correctly based on biological behaviors of living organisms.

This worksheet teaches that living things respond to stimuli like touch, light, sound, smell, and temperature — a key concept in biology.

Let me know if you'd like a printable version or explanation for younger learners!