Sinking and Floating Basics
Explore the principles of sinking and floating with this engaging Grade 4 science worksheet, covering density, buoyancy, and object properties.
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Sinking and Floating Basics
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Read each question carefully and answer to the best of your ability. Some questions may ask you to think about objects you've seen or used before.
1. Which of these objects is most likely to float in water?
A metal spoon
A wooden block
A rock
A glass marble
2. What force pushes objects upward in water, making them float?
Gravity
Friction
Buoyancy
Magnetism
3. All objects that are heavy will sink.
True
False
4. An object's shape can affect whether it sinks or floats.
True
False
5. An object will float if it is less than the water it displaces.
6. Boats can float because their shape helps them to enough water.
7. Explain why a small pebble sinks, but a large log floats.
8. Look at the image below. Do you think this boat will sink or float? Explain your reasoning.
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