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Exam year 7 semester

Total questions: 51

Worksheet time: 53mins

Name
Class
Date
1.
Which part of the Bunsen flame is the hottest?
a)
A
b)
B
c)
C
d)
D
2.

The gas should be turned on ____________ lighting the match.

a)

Before

b)

After

3.
When should you tie back long hair or baggy clothing?
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections.
d)
Any time you are working in the lab.
4.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
5.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
6.

What do you call the part of the burner that "twists" ?

a)

Base

b)

Collar

c)

Cylinder

7.

Name this part of the Bunsen Burner: A

a)

Barrel

b)

Collar

c)

Air Hole

d)

Base

8.
In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the ____________ variable.
a)
independent
b)
dependent
c)
controlled
d)
responding
9.
A possible explanation for a set of observations or answer to a scientific question is called a(n)
a)
prediction
b)
hypothesis
c)
theory
d)
law
10.

How long is the black line?

a)

7 cm

b)

10 cm

c)

1 cm

d)

2 cm

11.

How long is the paper clip?

a)

3 cm

b)

4cm

c)

5cm

12.
How long is the crayon in the picture?
a)
1 inch
b)
3 inches
c)
2 inches
d)
4 inches
13.
The curve of the liquid
a)
Mass
b)
Meniscus
c)
Density
d)
Weight
14.
What units should be used with the reading on this scientific tool?
a)
Milliliter
b)
Liter
c)
centimeter
d)
gram
15.
What is mass?
a)
the distance between two points
b)
the amount of matter (stuff) in an object
c)
the amount of space an object takes up
d)
the distance between three points
16.
What unit would you use to measure the length of the distance from Massapequa to Orlando?
a)
meters
b)
centimeters
c)
kilometers
d)
millimeters
17.
Read this graduated cylinder to the nearest tenth of a milliliter
a)
21.5 
b)
22.5
c)
20
d)
21
18.

It is the study of heavenly bodies.

a)

Paleontology

b)

Physiology

c)

Geology

d)

Astronomy

19.

It is the study of animals.

a)

Zoology

b)

Botany

c)

Paleontology

d)

Physics

20.

It is the study of how organisms interact with one another

a)
b)
c)
d)
21.

What type of force is this man using to push his grocery cart?

a)

Normal Force

b)

Gravity

c)

Air Resistance

d)

Applied Force

22.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

23.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
24.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
25.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

26.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

27.

what force is illustrated in this picture?

a)

push

b)

gravity

c)

pull

d)

friction

28.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
29.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

30.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

31.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
32.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
33.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
34.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

35.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
36.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
37.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
38.

This is an example of what type of force?

a)

push

b)

pull

c)

friction

d)

magnetism

39.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
40.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun 
d)
A baseball that has been thrown to home plate.
41.

Which example would be a balanced force?

a)

Train moving at a constant speed in the same direction.

b)

A skier going down a hill.

c)

A basketball being passed to a teammate.

d)

An apple falling to the floor.

42.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
43.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
44.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
45.

Why is it harder for the boy in image B to roll down the hill?

a)

motion

b)

friction

c)

work

d)

energy

46.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

47.

A push is ____.

a)

a force to move something away

b)

a force to pull something towards you

c)

when a magnet attracts metals

48.

This is an example of ____.

a)

forces

b)

gravity

c)

magnetism

49.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
50.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
51.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left

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