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Waka Buoyancy Science Worksheet

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Waka Buoyancy Science Worksheet

🌊 Part 1: Learn About Buoyancy

Buoyancy is an upward force from water or another liquid. It can help an object float. A waka floats because its wide, hollow hull pushes water aside. The water pushes upwards on the waka. The waka’s shape helps it carry people and taonga safely across the water.

Label a waka in water

Draw and label a simple waka. Include: waka, hull, water, and the upward force of buoyancy.

Vocabulary matching

Draw lines to match each word with its meaning.

1. waka
2. float
3. sink
4. buoyancy
5. hull
A. The main body or shell of a boat.
B. To stay on the surface of water.
C. A traditional Māori canoe.
D. To go down below the surface of water.
E. An upward force from a liquid.

🔍 Part 2: Predict and Investigate

Circle float or sink for each prediction. Think about the object’s material, shape, size, and whether it is hollow.

1. A cork: Will it float or sink?

Float

Sink

2. A small stone: Will it float or sink?

Float

Sink

3. A plastic lid: Will it float or sink?

Float

Sink

4. A wooden pencil: Will it float or sink?

Float

Sink

5. A metal spoon: Will it float or sink?

Float

Sink

✅ Teacher Answer Key

Vocabulary: 1–C, 2–B, 3–D, 4–E, 5–A.

Predictions: 1. Float, 2. Sink, 3. Float, 4. Float, 5. Sink. Results may vary for some objects depending on their shape and material.

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