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Worksheets

IS2 LT2.2 Review!

Total questions: 25

Worksheet time: 24mins

Name
Class
Date
1.

A fluid leaking from a car battery had the following properties: able to conduct electricity; produced a reaction when in contact with aluminum wire. What is the classification of the fluid?

a)

acid

b)

base

c)

either an acid or a base

d)

neither an acid nor a base

2.

Which common household chemical is a solution of acetic acid?

a)

vinegar

b)

detergent

c)

soy sauce

d)

toilet bowl cleaner

3.

Which term refers to substances that becomes ionized when dissolved in water?

a)

salts

b)

alkali

c)

isotones

d)

electrolytes

4.

Black coffee is more acidic than baking soda.

a)

True

b)

False

5.

How many of these pH indicators will turn yellow on a solution with a pH 9?

a)

2

b)

3

c)

4

d)

5

6.

You are pushing a couch across the room. This friction is responsible for

keeping the couch in place.

a)

Sliding

b)

Static

c)

Rolling

7.

What is another way to say 'the force due to gravity'?

a)

weight

b)

friction

c)

air resistance

8.

Sandra went kayaking. She applied a 3 N force on the water using

her paddle and glided towards East. Then, she applied 4 N force on the water

and glided towards the north. Lastly, she applied 4 N to glide backwards. What

is the sum of the forces Sandra exerted on the water to make her kayak move?

a)

2N towards North

b)

2N towards South

c)

3N towards East

d)

3N towards West

9.

Which scientist had observations that supported the heliocentric theory of Copernicus?

a)

Aristotle

b)

Nicolaus Copernicus

c)

Galileo Galilei

d)

Sir Isaac Newton

10.

While sitting on a chair, what is the resultant force acting on you?

a)

zero

b)

lower than your mass

c)

higher than your mass

d)

equal to your mass

11.

How much force is needed to keep a cannon ball moving after it has been fired

into a frictionless space?

a)

twice the force with which it was fired

b)

thrice the force with which it was fired

c)

the same amount of force with which it was fired

d)

no force is necessary to keep the cannon ball going

12.

The acceleration due to gravity on the Moon is 1/6 that of the Earth. If an object

that weighs 10kgs on Earth is brought to the moon, what is the mass of the

object? (Assume that acceleration due to gravity ( g ) on Earth is 9.8 ms2\frac{m}{s^2}  )

a)

10 kg

b)

16 kg

c)

98 kg

d)

588 kg

13.

What is the acceleration of a 55-gram marble when 1.5 N of force is applied on it?

a)

0.0272 ms20.0272\ \frac{m}{s^2}  

b)

0.03 ms20.03\ \frac{m}{s^2}  

c)

27 ms227\ \frac{m}{s^2}  

d)

27.27 ms227.27\ \frac{m}{s^2}  

14.

While on a secret mission, special agent Hunter's package falls off a plane with a force of 722N (ignoring air resistance). Compute the mass of the package.

a)

0.74 kg

b)

74 kg

c)

708 kg

d)

7100 kg

15.

Which is TRUE regarding David Scott's hammer and feather experiment on the moon?

a)

Both objects have the same inertia.

b)

Both objects exert the same force to the ground.

c)

Both objects experience the same acceleration due to gravity.

16.

Inanimate objects cannot exert a reaction force.

a)

True

b)

False

17.

A block of aluminum is 15.0 mL in volume and has a mass of 50.5 g. What is its

density thereof?

a)

0.337 g/mL

b)

3.37 g/mL

c)

0.297 g/mL

d)

2.97 g/mL

18.

A hose causes a force of 8000.0 N from the water over an area of 0.50 m by 0.50 m. Calculate the pressure.

a)

3200 Pa

b)

32000 Pa

c)

2000 Pa

d)

20000 Pa

19.

A powder sample placed in a filter paper with a mass of 1.5 g has this mass reading. What is the mass of the powder sample?

a)

76 g

b)

77.5 g

c)

176 g

d)

177.5

20.

A wooden block is a rectangular prism. Its length is 8.0 cm, the length of one of

the two perfect square sides is 2.0 cm, the mass of the wooden block on the digital

balance reads 150 grams, What could be the density of the wooden block?

a)

0.21 gcm30.21\ \frac{g}{cm^3}  

b)

21 gcm321\ \frac{g}{cm^3}  

c)

4.7 gcm34.7\ \frac{g}{cm^3}  

d)

47 gcm347\ \frac{g}{cm^3}  

21.

Two liquids A and B have densities 0.905 grams per milliliter and 1.14 grams per

milliliter, respectively. Which is TRUE?

a)

Liquid A will float over Liquid B.

b)

Liquid B will float over Liquid A.

c)

Liquid A will mix thoroughly with Liquid B.

22.

225 mL of carbon tetrachloride is filled into a 345.8 g flask. 703.55 g is

found to be the weight of both the flask and carbon tetrachloride. What

will be the density of the carbon tetrachloride?

a)

1.59 g/mL

b)

15.9 g/mL

c)

3.12 g/mL

d)

31.2 g/mL

23.

What will be the buoyant force when an object is submerged in water and

displaced 20 kg of water? (Assume g = 10 ms210\ \frac{m}{s^2}  )

a)

20 N

b)

20 kg

c)

200 N

d)

200 kg

24.

In a deep lake, a stone is thrown. What happens to its buoyant force as it sinks deeper and deeper into the water?

a)

increase

b)

decrease

c)

unchanged

d)

fluctuating

25.

What will happen when you squeeze an air-filled party balloon? Its _____ increases.

a)

mass

b)

weight

c)

volume

d)

density