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Worksheets

Review for Benchmark

Total questions: 42

Worksheet time: 44mins

Name
Class
Date
1.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

2.

an atom with atomic number 6 would have how many protons

a)

6

b)

12

c)

3

d)

cannot be determined

3.

True or False? Neutrons have a negative charge

a)

True

b)

False

4.

What is the atomic number for an element with three protons?

a)

2

b)

1

c)

3

d)

6

5.

A particle that moves around the nucleus is a(n)...

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

6.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

7.

An atoms overall charge is

a)

positive

b)

depends on its mood

c)

neutral

d)

negative

8.

Number of C's in 2Na₂CO₃

a)

1

b)

2

c)

3

d)

5

9.

How many Sodium (Na) are in 6NaCl?

a)

1

b)

12

c)

6

10.

2H2 + O2 --------> 2H2O What are the reactants?

a)

----->

b)

2H2O

c)

2H2+O2

11.

2H2 + O2 ----> 2H2O What is the product?

a)

------>

b)

2H2O

c)

2H2+ O2

12.

Number of N in (NH₄)₂CrO₄

a)

1

b)

2

c)

8

d)

16

13.
a)

Periods

b)

Groups

14.
a)

Periods

b)

Groups

15.
a)

energy levels

b)

valence electrons

c)

protons

d)

neutrons

16.
a)

Same group

b)

Same period

17.
a)

Group 1

b)

Group 17

c)

Group 2

d)

Group 18

18.
a)

Metals

b)

Nonmetals

c)

Metalloids

19.
a)

Metals

b)

Nonmetals

c)

Metalloids

20.

What happens in ALL chemical changes?

a)

Change in state of matter

b)

A new substance is formed

c)

Bubbles are produced

d)

An explosion

21.

Is Gatorade powder dissolving in water physical or chemical change?

a)

Physical

b)

Chemical

22.

The Law of Conservation of Mass tells us matter can't ______________.

a)

change color

b)

change state of matter

c)

be created or destroyed

d)

change temperature

23.

Which of the following is not a clue that a chemical reaction has taken place?

a)

Changing size

b)

Changing color

c)

A gas being formed

d)

Formation of a precipitate

24.

What is the net force?

a)

30 N left

b)

25 N right

c)

5 N left

d)

55 N right

25.

Which could be an example of a balanced force?

a)

An asteroid moving at a constant speed through space

b)

A car accelerating from a stop sign

c)

A box of dishes falling from a counter

d)

A rocket taking off

26.

Calculate the Net Force.

a)

60N, Left

b)

40N, Right

c)

0N

d)

60N, Right

27.

What is velocity?

a)

the quickness of an object

b)

the location of an object

c)

acceleration

d)

speed in a specific direction

28.

What is speed?

a)

how far you go

b)

how much distance is covered over a period of time

c)

how fast you accelerate

d)

the change in the location of a object

29.

Acceleration only takes place when things speed up.

a)

True

b)

False

30.

F=ma

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

31.

For every action, there is an equal and opposite reaction.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

32.

A stationary bumper car is set in motion by the outside force of another bumper car colliding with it.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

33.

A rocket in outer space continues to move.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

34.

You push against a wall and the wall is pushing back on you.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

35.

The acceleration of a 4 kg bowling ball will be greater than the acceleration of a 6 kg bowling ball if the same force is applied to both.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

36.

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

37.

F=MA

An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?

a)

20 N

b)

2 N

c)

5 N

d)

0 N

38.

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

a)

10 m/s^2

b)

.1 m/s^2

c)

100 m/s^2

d)

1 m/s^2

39.

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

a)

The one with a mass of .78 kg will have the greatest acceleration.

b)

The one with a mass of .52 kg will have the greatest acceleration.

c)

They will both accelerate at the same rate.

40.

A 20 kg bike accelerates at 10 m/s2. what was the force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

41.

Valence Electrons determine an element's _____________.

a)

Reactivity

b)

Location

c)

Identity

d)

Color

42.

Most elements will gain or lose electrons so that they end up with _______ valence electrons.

a)

2

b)

6

c)

8

d)

10