1. Which of these is a living thing?

2. Which of these do ALL living things need?

3. A cat sees a bird and runs after it. Which life process does this show?

4. Which one is NOT a living thing?

5. Which is a way that living things reproduce?

6. Living things              bigger as they get older.

7. Plants and animals make young of the same kind. We say they             .

8. A plant bends towards the light. It is showing that it can              to its surroundings.

9. A fish and a flower both need food, air and             .

10. A chair is a              thing because it does not grow or need food.

11. Name two things that a living thing can do but a non-living thing cannot.

12. Sam says, "The wind moves, so the wind is alive." Is Sam correct? Give a reason.

13. Give one example each of a living thing and a non-living thing found in your home.

1. Which group of animals has feathers, a beak and wings, and lays eggs?

2. Which of these is a fungus?

3. How many legs and body parts does an insect have?

4. How do ferns reproduce?

5. Which animal group has dry, scaly skin and breathes with lungs?

6. Animals, plants, fungi and                are the four groups of living things.

7. A cat has fur and its mother feeds her young with milk. A cat is a               .

8. A fish has fins and scales, and breathes with               .

9. A frog has moist skin and lays its eggs in water. A frog is an               .

10. Plants can make their own food using               .

11. Name one way a flowering plant is different from a fern.

12. Sam says, "A mushroom is a plant because it grows from the ground." Is Sam correct? Give a reason.

13. Give one way fungi can be useful and one way they can be harmful.

1. Which property makes a raincoat good for wet days?

2. Why are windows made of glass?

3. Which material is the best for a towel?

4. A material that can be bent easily without breaking is…

5. Which sentence is correct?

6. A rope is              because it can hold a heavy load without breaking.

7. A sponge is              because it soaks up water.

8. A rubber band is              because it bends and stretches.

9. An umbrella cover is              so we stay dry.

10. A clear plastic bottle is             , so you can see the water inside.

11. Why is metal a good material for a cooking pot?

12. Give one reason why a wooden chair is better than a paper chair.

13. A student tests whether a few objects float. What should the student do to make the test fair?

1. Which shows the life cycle of a butterfly in the correct order?

2. What does a young frog (tadpole) live in?

3. Which animal has a life cycle of three stages: egg, nymph and adult?

4. What does a seed grow into first?

5. In the life cycle of a mosquito, which stages live in water?

6. A caterpillar changes into a              before it becomes a butterfly.

7. A cockroach hatches from an egg as a             .

8. A hen's chick hatches from an             .

9. A seed grows into a              and later becomes an adult plant.

10. A butterfly that can lay eggs is an             .

11. Why is it called a life CYCLE?

12. Name one way a nymph is different from a caterpillar.

13. Name one thing a plant needs to grow from a seed.

1. Which of these is attracted to a magnet?

2. Two magnets are placed with their north poles facing each other. What happens?

3. Where is a bar magnet the strongest?

4. A freely hanging bar magnet comes to rest. Its north-seeking pole points towards the…

5. Which is a use of magnets?

6. The two ends of a magnet are called its             .

7. A north pole and a south pole              each other.

8. Two south poles              each other.

9. Iron is a              material.

10. Paper is a              material.

11. Ali has a plastic box with some paper clips inside. How can he pick up all the paper clips without opening the box?

12. Name two materials that are magnetic.

13. How can you tell which pole of a magnet is its north pole, using another magnet whose poles are labelled?

1. Which of these is attracted to a magnet?

2. Which method makes a magnet by coiling wire around an iron nail?

3. Ali strokes a steel needle with one pole of a magnet. How should he stroke it to make a magnet?

4. Mei coils wire around a nail and connects it to a battery. How can she make this electromagnet stronger?

5. Which of these uses an electromagnet?

6. Aluminium and copper are metals, but they are                materials.

7. The more times a steel nail is stroked, the                the magnet it becomes.

8. We can measure how strong a magnet is by counting the number of steel                it attracts.

9. A freely hanging magnet rests in the                direction.

10. In a fair test, we change                variable only.

11. Name the two ways to make a magnet from a piece of steel or iron.

12. Raj wants to find out if more turns of wire make a stronger electromagnet. What should he change, and what should he keep the same? Give one thing he should keep the same.

13. Why is an electromagnet useful for lifting iron in a scrapyard?

1. Look at Table 1. Which items are living things?1 mark

2. Which three things do all living things need?1 mark

3. Look at Figure 3. Which one thing is being changed in this investigation?1 mark

4. Look at Table 2. How many centimetres did the seedling grow from Week 1 to Week 3?1 mark

5. A hen sits on her eggs and some weeks later chicks hatch. Which characteristic of living things does this show?1 mark

6. Look at Figure 4. Which conclusion is best supported by the results?1 mark

7. Which group has living things only?1 mark

8. Look at Figure 3. Which seedling will most likely wither first?1 mark

9. Look at Table 1. Aisha says, "Plants do not need food because they never eat." Is she correct? Use the table to explain.2 marks

10. Look at Table 2. State the characteristic of living things shown in the results. Describe the change in the height.2 marks

11. Look at Figure 3. The pupil wants a fair test. State two things that must be kept the same.2 marks

12. Look at Figure 4. Which characteristic of living things do the woodlice show? Explain using the results.2 marks

13. Dev is not sure if a dry bean seed is living. Describe how he can find out. State the result that shows it is living.2 marks

14. Ravi says, "My toy robot dog walks and barks, so it is living." Do you agree? Give two reasons.2 marks

1. Use Table 1 for Questions 1 to 3. Which animal is a fish?1 mark

2. Which animal in Table 1 is an amphibian?1 mark

3. How many of the six animals in Table 1 lay eggs?1 mark

4. Use Table 2. Which plants are non-flowering plants?1 mark

5. How does plant X make new plants?1 mark

6. Animal Y has four legs and dry scales. It has no feathers, no fur and no gills. Use the key. Which group does Y belong to?1 mark

7. Use Table 3. The pupil wants to find out if water affects mould growth. Which two slices should be compared?1 mark

8. What does Table 3 show about mould?1 mark

9. Look at animals P and T in the table. Both lay eggs. Name the animal group of P and the animal group of T.2 marks

10. Animal S and animal T both have four legs. Name the group of S and state one way the skin of S is different from the skin of T.2 marks

11. Look at plants W and X in Table 2. How does each plant make new plants?2 marks

12. The pupil puts slice E in a warm, moist place for 5 days. Slice E is the same bread as the others. Predict whether E will have more or less mould than slice C. Give a reason.2 marks

13. Mould is a fungus that grows on bread. Why must mould grow on food such as bread?2 marks

14. Animal M looks like a fish. Which group does it belong to? Give one reason from the notes.2 marks

1. Look at the bar chart. Which material is the strongest?1 mark

2. Look at the bar chart. How many more grams did the cloth hold than the paper?1 mark

3. Look at the float or sink table. Which list has only objects that sank?1 mark

4. Look at the waterproof test. Which sheet is waterproof?1 mark

5. Look at the light test. Which sheet is opaque?1 mark

6. Zara wants to find out which material is the strongest by hanging weights. Which one thing should she keep the SAME for every strip?1 mark

7. Which property is the MOST important for a material used to make a raincoat?1 mark

8. A hair band must stretch and bend without breaking. Which property does the material need?1 mark

9. Look at the bar chart. Mia hangs a load of 100 g on each strip. Name the materials that would tear.2 marks

10. Look at the float or sink table. Ben says, "Small things float and big things sink." Is he right? Use the table to explain.2 marks

11. Look at the waterproof test. Sheets Q and R are both NOT waterproof, but they fail in different ways. Explain how each one fails.2 marks

12. Look at the light test. Mia wants a window cover that lets light in but stops people outside from seeing clearly into the room. Which sheet should she use? Give a reason.2 marks

13. Look at Ali's test. He wants to find which material is stronger, but his test is not fair. State what is wrong and how he can fix it.2 marks

14. Look at the table. Sam needs a squeezable water bottle that is waterproof and lets him see how much water is left. Which material should he choose? Give two reasons.2 marks

1. Look at Figure 1. How tall was Plant A on Day 4?1 mark

2. Look at Figure 1. Which plant was the tallest on Day 8?1 mark

3. Look at Figure 1. By how many centimetres did Plant B grow from Day 2 to Day 6?1 mark

4. The three cards in Figure 2 show stages of a plant. Which order shows the life cycle starting from the seed?1 mark

5. Which part of an adult plant holds seeds?1 mark

6. Look at Figure 3. Which young living thing does NOT look like its adult?1 mark

7. Why is it important for living things to reproduce?1 mark

8. Look at Figure 4. When did Plant D grow the most?1 mark

9. Look at Figure 1. Describe how the height of Plant A changed from Day 2 to Day 8. Then predict its height on Day 10: will it be shorter than, the same as, or taller than 14 cm?2 marks

10. Look at Figure 2. Write the life-cycle stages in the correct order, beginning with the seed. Then name the part that the adult plant makes so that the cycle can start again.2 marks

11. Look at Figure 3. Choose one of the animals. Say whether its young looks like its adult or looks different, and give one piece of evidence from the table.2 marks

12. Sam planted a seed in a bag and measured it. Look at Figure 5. Sam says, "My plant is only a tiny seedling, so it is not growing." Do you agree? Use the numbers to explain.2 marks

13. Mrs Lim ate a mango and planted its seed. Explain how this seed can lead to more mangoes in the future.2 marks

14. Look at Figure 1. Which plant, A or C, grew more from Day 2 to Day 8? By how many centimetres more?2 marks

1. Look at Table 1. Which two animals both have four stages in their life cycles?1 mark

2. How many of the animals in Table 1 have a pupa stage in their life cycles?1 mark

3. Which animal in Table 1 has a young that lives in water and an adult that flies in the air?1 mark

4. Which two animals in Table 1 have young that look like their adults?1 mark

5. Figure 2 shows four pictures of a butterfly in different stages. Which choice puts the stages in the correct order, starting with the egg?1 mark

6. A caterpillar eats a lot of leaves, grows bigger and sheds its outer covering. Which stage is it in?1 mark

7. Which stages of the mosquito live in water?1 mark

8. Which sentence about the pupa stage is correct?1 mark

9. Figure 3 shows the life cycles of two animals, X and Y. State one similarity and one difference between the two life cycles.2 marks

10. Ravi found a tadpole in a pond. (a) Name the adult animal the tadpole will become. (b) State one way the tadpole is different from the adult.2 marks

11. Kim says, "A grasshopper has a pupa stage." Is she correct? Give a reason for your answer.2 marks

12. The stages of a mosquito are listed below in the wrong order: adult, pupa, egg, larva. Write them in the correct order, starting with the egg.2 marks

13. Write each of these animals in the correct column of Table 2: butterfly, frog, mosquito, chicken.2 marks

14. Mei Ling watched a butterfly grow. Read her notes in Table 3. (a) Which stage was the animal in from Day 11 to Day 18? (b) Explain why the leaves stayed untouched on these days.2 marks

1. Table 1 shows the results of testing four objects with a magnet. Which object is most likely made of steel?1 mark

2. Table 2 shows how many paper clips stuck to different places on a bar magnet. Where is the magnet weakest?1 mark

3. Look at Table 2 again. Which two positions have the strongest pull?1 mark

4. Two ring magnets are put on a pencil. The top ring floats above the bottom ring, as shown. What does this show?1 mark

5. A steel rod is attracted to both ends of a bar magnet. Can we say the rod is a magnet?1 mark

6. Object X is attracted to the north pole of a magnet but repelled by the south pole. What is object X?1 mark

7. Ben turns a freely hanging bar magnet around and waits. Which direction does its south pole point to when it stops?1 mark

8. Which of these is NOT a magnetic material?1 mark

9. Use Table 2. How many more paper clips stuck at A than at C?2 marks

10. Why must we test a mystery object with both poles of a magnet before we say it is a magnet?2 marks

11. The south pole of Magnet 1 attracts Magnet 2. Which pole of Magnet 2 is facing the south pole of Magnet 1? Give a reason.2 marks

12. Sam wants to find out which of two magnets is stronger by counting the paper clips each one picks up. Give one thing he must keep the same to make it a fair test.2 marks

13. Dev says, "An aluminium can is attracted to a magnet because it is made of metal." Is Dev correct? Explain.2 marks

14. Table 3 shows the results of three trials with a hanging bar magnet. What do you expect to see in Trial 4? Explain.2 marks

1. Look at Table 1. How many steel clips did the nail attract after 30 strokes?1 mark

2. Which conclusion matches Table 1?1 mark

3. Meena wants to find out if the number of strokes changes how strong a steel nail becomes. Which variable must she keep the same?1 mark

4. Zara wants to turn a steel needle into a magnet by the stroke method. Which is the correct way to stroke?1 mark

5. Look at Table 2. How many more clips did the electromagnet attract with 40 turns than with 10 turns?1 mark

6. Look at Table 3. Which two set-ups give a fair test to find out if the number of turns of wire changes the strength of the electromagnet?1 mark

7. After lifting some clips, Mei finds that the wires and nail feel warm. What should she do first?1 mark

8. A scrapyard crane uses an electromagnet to lift old cars. Why is an electromagnet better than an ordinary magnet for this job?1 mark

9. Look at Table 5. Name the variable that Mei changed and the variable that she measured.2 marks

10. Dan says, "More strokes make a weaker magnet." Look at Table 4. Is Dan's test a fair test? Explain.2 marks

11. Mei tried 20 turns of wire three times, as in Table 6. Why did she repeat the test? What do her results tell her?2 marks

12. Use Table 2 to predict the number of clips for 50 turns of wire. Give a reason for your prediction.2 marks

13. Ali made the electromagnet shown. It attracts only 1 clip. Suggest two ways to make it stronger.2 marks

14. Look at the bar chart. Which two set-ups show the effect of the number of batteries? What does the chart show about batteries?2 marks

1. Which of these is a non-living thing?1 mark

2. Which animal group has hair or fur, and the mothers feed their young with milk?1 mark

3. Which of these is a fungus?1 mark

4. Which material is best for making a raincoat?1 mark

5. Which of these materials is transparent?1 mark

6. Which is the correct order of the life cycle of a flowering plant?1 mark

7. Which animal has a life cycle with four stages: egg, larva, pupa and adult?1 mark

8. The south pole of one bar magnet is brought near the north pole of another bar magnet. What will happen?1 mark

9. Which of these is attracted to a magnet?1 mark

10. Mei coils wire around an iron nail and connects it to a battery. How can she make this electromagnet stronger?1 mark

11. Living things take in food, water and                to stay alive.1 mark

12. An insect has                legs and three body parts.1 mark

13. A young butterfly that hatches from an egg is called a               .1 mark

14. The two ends of a magnet, where the pull is strongest, are called the               .1 mark

15. Ravi says, "A toy robot is alive because it moves and makes sounds." Is Ravi correct? Give a reason.2 marks

16. Sam says, "A mushroom is a plant because it grows from the ground." Is Sam correct? Give a reason.2 marks

17. A sponge and a plastic sheet are used to wipe up spilled water. Which is better? Explain why.2 marks

18. Kai wants to make a bag to carry heavy books. Suggest one material for the bag and give one property that makes it suitable.2 marks

19. Mei says, "A tadpole looks like an adult frog." Is she correct? Give one difference between a tadpole and an adult frog.2 marks

20. State one difference between the life cycle of a butterfly and the life cycle of a grasshopper.2 marks

21. Magnet X has its poles marked N and S. Magnet Y has no marks. Mei brings the N pole of Magnet X near one end of Magnet Y. The end of Magnet Y is pushed away. What pole is that end of Magnet Y? Explain.2 marks

22. Raj wants to find out if more turns of wire make a stronger electromagnet. What should he change, and what should he keep the same? Give one thing he should keep the same.2 marks