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- 1. Multiple Choice
Which the following materials have the ability to sink in the water?
metal spoon
Styrofoam
plastic cup
rubber ball
- 2. Multiple Choice
Why do boats float in water?
Boats are made of wood that make them float.
The sea breeze makes the boat float in water.
Man uses paddle to make the boat float in water.
The water current pushes the boat upward.
- 3. Multiple Choice
_______ means the action of an object when it becomes submerged in a liquid or fall to the bottom of a liquid.
float
sink
absorb
repel
- 4. Multiple Choice
_______ means the action of an object when it sits on the surface of a liquid or stay on top.
float
sink
absorb
repel
- 5. Multiple Choice
______ is the ability of a material to float in liquid.
Porosity
Viscosity
Malleability
Buoyancy
- 6. Multiple Choice
Which the following materials have the ability to float on the water?
large stone
bowling ball
pencil
10-peso coin
- 7. Multiple Choice
Which of the following affects a material's ability to float? Check ALL that applies.
shape of the material
type of liquid
density of the material
color of the material
- 8. Multiple Choice
________ is the degree of compactness of an object. It is how closely molecules are crowded together in a space.
viscosity
density
porosity
buoyancy
- 9. Multiple Choice
Objects with tightly packed molecules will sink if it is more dense than the liquid it is immersed in.
True
False
- 10. Multiple Choice
Objects with loosely packed molecules will sink if it is less dense than the liquid it is placed in.
True
False
- 11. Multiple Choice
Materials with a density less than that of a liquid will float.
True
False
- 12. Multiple Choice
Materials with a greater density than the liquid will float.
True
False
- 13. Multiple Choice
The shape of an object does NOT affect its ability to float.
True
False
- 14. Multiple Choice
The larger the surface area of an object, the stronger the upthrust.
True
False
- 15. Multiple Choice
Density affects the ability of an object to sink or float.
True
False
- 16. Multiple Choice
All things will submerged in any liquid.
True
False
- 17. Multiple Choice
Some things sink very slow.
True
False
- 18. Multiple Choice
Styrofoam materials float on liquid no matter what their shape is.
True
False
- 19. Multiple Choice
Check ALL the materials that float in a body of water.
raft
hollow blocks
plastic bottles with caps
anchor
leaves
- 20. Multiple Choice
Check ALL the materials that sink in a body of water.
stone
styropore
plastic bag
paper boat
hammer
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