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Float or Sink

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

dime

a)

sink

b)

float

2.

wooden block

a)

sink

b)

float

3.

cork

a)

sink

b)

float

4.

marble

a)

sink

b)

float

5.

The ability of an object to float

(a)  

6.

What does buoyant mean?

a)

to float

b)

to push

c)

to fly

d)

to sink

7.

A material that is more dense will -

a)

float

b)

sink

8.

sink

a)

volume

b)

more dense

c)

less dense

d)

solubility

9.

Why do some substances float on water?

a)

they are warmer than water

b)

they are cooler than water

c)

they are more dense than water

d)

they are less dense than water

10.

feather

a)

sink

b)

float

11.

leaf

a)

sink

b)

float

12.

balloon

a)

sink

b)

float

13.

quarter

a)

sink

b)

float

14.

Which of the following materials will sink?

a)

coin

b)

slippers

c)

paper clip

d)

beach ball

15.

What happen to the beach ball when thrown into the water?

a)

It will burst.

b)

It will sink.

c)

it will float

d)

It will inflate.

16.

Why does oil float when pour into the water?

a)

Oil is more dense than the water.

b)

Oil is less dense than the water.

c)

Oil has equal density with water.

d)

Both oil and water has no density.

17.

Why do some things float on the water?

a)

because it has no weight.

b)

because it has no mass.

c)

because it has no volume.

d)

because it is less dense.

18.

what happen to the materials that are less dense than the liquid?

a)

It will sink.

b)

It will float.

c)

It will decay.

d)

It absorbs water.

19.

What will happen to an object that is more dense than the water?

a)

It will sink.

b)

It will float.

c)

it will decay.

d)

It will disappear

20.

Will the marbles float or sink?

a)

float

b)

sink

21.

Metal spoon

a)

Float

b)

Sink

22.

Which of the following objects is most likely to float in water?

a)

A) A metal spoon

b)

B) A wooden log

c)

C) A glass marble

d)

D) A stone

23.

What principle explains why objects float or sink in a fluid?

a)

A) Archimedes' Principle

b)

B) Newton's First Law

c)

C) Pascal's Law

d)

D) Bernoulli's Principle

24.

If an object is placed in water and it sinks, what can be inferred about its density compared to water?

a)

A) It is less dense than water

b)

B) It is more dense than water

c)

C) It has the same density as water

d)

D) Density does not affect sinking

25.

In an experiment, a student places a plastic ball and a metal ball of the same size in water. What is the expected observation?

a)

A) Both will float

b)

B) Both will sink

c)

C) The plastic ball will float, and the metal ball will sink

d)

D) The metal ball will float, and the plastic ball will sink