Science worksheet for students with questions on animals, plants, and matter.
A science worksheet titled "Let's Talk Science" with questions about vertebrates, plant parts, and basic science concepts, featuring a diagram of a plant and a picture of a squirrel.
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Show Answer Key & Explanations
Step-by-step solution for: Science Grade 4 activity
▼
Show Answer Key & Explanations
Step-by-step solution for: Science Grade 4 activity
Let’s go through each question one by one and fill in the blanks with the correct science answers.
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1. Vertebrates are animals with ________________.
→ Vertebrates have a backbone (or spine). That’s what makes them different from insects or worms.
✔ Answer: a backbone
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2. Mammals and ________________ are warm blooded vertebrates.
→ Warm-blooded animals keep their body temperature steady. Besides mammals, birds are also warm-blooded.
✔ Answer: birds
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3. I am cold blooded, breathe through lungs and have dry scaly skin:
→ Cold-blooded + lungs + dry scaly skin = reptile! Like snakes or lizards.
✔ Answer: Reptile
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4. I am a mammal but lay eggs. What am I?
→ Most mammals give birth to live young, but there’s one special group that lays eggs — the platypus and echidna. They’re called monotremes.
✔ Answer: Platypus (or Echidna — either is fine, but Platypus is more commonly known)
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5. I live in water and can breathe under water through gills.
→ Animals that live in water and use gills to breathe are fish. Some amphibians do too when young, but this clue fits fish best.
✔ Answer: Fish
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6-10. Label the parts of the plant using: Fruit, Leaf, Flower, Root, Stem
Looking at the tomato plant diagram:
- Top left box → points to green leaves → Leaf
- Second box down on left → points to yellow flowers → Flower
- Right side top box → points to red tomatoes → Fruit
- Right side bottom box → points to green stem part → Stem
- Bottom left box → points to roots underground → Root
✔ Answers:
- Top left: Leaf
- Middle left: Flower
- Top right: Fruit
- Bottom right: Stem
- Bottom left: Root
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11. To grow healthily plants need air, water, nutrients and ________________.
→ Plants also need sunlight to make food (photosynthesis).
✔ Answer: sunlight
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12. ________________ have a fixed shape but (13) ________________ take the shape of the container.
→ Solids keep their shape. Liquids flow and take the shape of whatever holds them.
✔ 12: Solids
✔ 13: Liquids
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14. When a liquid is heated it ________________ faster.
→ Heating gives molecules energy → they move faster → evaporation happens quicker.
✔ Answer: evaporates
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15. Water freezes at ________________ degrees celsius.
→ This is a basic fact: water turns to ice at 0°C.
✔ Answer: 0
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16. Salt ________________ in water.
→ Salt disappears into water — we say it dissolves.
✔ Answer: dissolves
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17. Stone is ________________ in water.
→ Stones don’t dissolve — they sink and stay solid. So they are insoluble.
✔ Answer: insoluble
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18. ________________ is the best way to separate mixed buttons and paperclips.
→ Paperclips are metal → magnet will attract them, not buttons.
✔ Answer: Using a magnet
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19. A ________________ is ideal to separate coffee from water.
→ Coffee grounds are solid, water is liquid → filter traps solids, lets liquid pass.
✔ Answer: filter
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20. A ________________ can be used to separate pins from buttons.
→ Pins are usually metal → again, magnet works! Buttons are often plastic or wood.
✔ Answer: magnet
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Final Answer:
1. a backbone
2. birds
3. Reptile
4. Platypus
5. Fish
6. Leaf
7. Flower
8. Fruit
9. Stem
10. Root
11. sunlight
12. Solids
13. Liquids
14. evaporates
15. 0
16. dissolves
17. insoluble
18. Using a magnet
19. filter
20. magnet
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1. Vertebrates are animals with ________________.
→ Vertebrates have a backbone (or spine). That’s what makes them different from insects or worms.
✔ Answer: a backbone
---
2. Mammals and ________________ are warm blooded vertebrates.
→ Warm-blooded animals keep their body temperature steady. Besides mammals, birds are also warm-blooded.
✔ Answer: birds
---
3. I am cold blooded, breathe through lungs and have dry scaly skin:
→ Cold-blooded + lungs + dry scaly skin = reptile! Like snakes or lizards.
✔ Answer: Reptile
---
4. I am a mammal but lay eggs. What am I?
→ Most mammals give birth to live young, but there’s one special group that lays eggs — the platypus and echidna. They’re called monotremes.
✔ Answer: Platypus (or Echidna — either is fine, but Platypus is more commonly known)
---
5. I live in water and can breathe under water through gills.
→ Animals that live in water and use gills to breathe are fish. Some amphibians do too when young, but this clue fits fish best.
✔ Answer: Fish
---
6-10. Label the parts of the plant using: Fruit, Leaf, Flower, Root, Stem
Looking at the tomato plant diagram:
- Top left box → points to green leaves → Leaf
- Second box down on left → points to yellow flowers → Flower
- Right side top box → points to red tomatoes → Fruit
- Right side bottom box → points to green stem part → Stem
- Bottom left box → points to roots underground → Root
✔ Answers:
- Top left: Leaf
- Middle left: Flower
- Top right: Fruit
- Bottom right: Stem
- Bottom left: Root
---
11. To grow healthily plants need air, water, nutrients and ________________.
→ Plants also need sunlight to make food (photosynthesis).
✔ Answer: sunlight
---
12. ________________ have a fixed shape but (13) ________________ take the shape of the container.
→ Solids keep their shape. Liquids flow and take the shape of whatever holds them.
✔ 12: Solids
✔ 13: Liquids
---
14. When a liquid is heated it ________________ faster.
→ Heating gives molecules energy → they move faster → evaporation happens quicker.
✔ Answer: evaporates
---
15. Water freezes at ________________ degrees celsius.
→ This is a basic fact: water turns to ice at 0°C.
✔ Answer: 0
---
16. Salt ________________ in water.
→ Salt disappears into water — we say it dissolves.
✔ Answer: dissolves
---
17. Stone is ________________ in water.
→ Stones don’t dissolve — they sink and stay solid. So they are insoluble.
✔ Answer: insoluble
---
18. ________________ is the best way to separate mixed buttons and paperclips.
→ Paperclips are metal → magnet will attract them, not buttons.
✔ Answer: Using a magnet
---
19. A ________________ is ideal to separate coffee from water.
→ Coffee grounds are solid, water is liquid → filter traps solids, lets liquid pass.
✔ Answer: filter
---
20. A ________________ can be used to separate pins from buttons.
→ Pins are usually metal → again, magnet works! Buttons are often plastic or wood.
✔ Answer: magnet
---
Final Answer:
1. a backbone
2. birds
3. Reptile
4. Platypus
5. Fish
6. Leaf
7. Flower
8. Fruit
9. Stem
10. Root
11. sunlight
12. Solids
13. Liquids
14. evaporates
15. 0
16. dissolves
17. insoluble
18. Using a magnet
19. filter
20. magnet
Parent Tip: Review the logic above to help your child master the concept of gr 4 science worksheet.
