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8th (Safety, Scientific Method, Force & Motion)

Total questions: 67

Worksheet time: 4hrs 38mins

Name
Class
Date
1.

What is an independent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

2.

What is an dependent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

3.

Something that you keep the same in an experiment is called a(n) _________________________.

a)

variable

b)

control

c)

procedure

d)

conclusion

4.

What is this piece of lab equipment called?

a)

Beaker

b)

Graduated cylinder

c)

Test tube

d)

Funnel

5.

slender tube attached to a bulb, used for transferring or measuring out small quantities of liquid, especially in a laboratory

a)

pipette

b)

graduated cylinder

c)

beaker

6.
What kind of glassware is pictured here?
a)
Beaker
b)
Flask
c)
Pipette
d)
Graduated Cylinder
7.
a)

evaporation

b)

watch glass

c)

mortar and pestle

d)

funnel

8.

The amount of matter in an object

a)

Mass

b)

Volume

c)

Length

9.

Units used to measure Mass of an object

a)

Centimeters

b)

Milliliters

c)

Grams

10.

Find the mass.

a)

550.4 g

b)

559.4 g

c)

550.6 g

11.

Find the mass.

a)

5 g

b)

0.5 g

c)

0.2 g

12.

Find the mass.

a)

285.3 g

b)

275.5 g

c)

275.3 g

13.

What is the value on the balance?

a)

480.5 g

b)

840.05 g

c)

408 g

14.

What is the value on the balance?

a)

240.0 g

b)

142.0 g

c)

100.4 g

15.

How much liquid is in this graduated cylinder?

a)

20 mL

b)

13 mL

c)

15 mL

d)

11 mL

16.

How much liquid is in this graduated cylinder?

a)

30 mL

b)

35 mL

c)

34 mL

d)

32 mL

17.

How much liquid is in this graduated cylinder?

a)

84 mL

b)

80 mL

c)

85 mL

d)

82 mL

18.
What is the scale on this graduated cylinder?
a)
.1 mL per line
b)
.2 mL per line
c)
.5 mL per line
d)
1 mL per line
19.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
20.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
21.
What is the scale on this graduated cylinder?
a)
.1 mL per line
b)
.2 mL per line
c)
.5 mL per line
d)
1 mL per line
22.
What is the volume of the liquid in this graduated cylinder?
a)
43 mL 
b)
30.7 mL 
c)
37 mL 
d)
38 mL
23.

Which is the smallest?

a)

liter

b)

mililiter

c)

hectoliter

d)

deciliter

24.

Which one is the largest

a)

Kilometer

b)

decimeter

c)

meter

25.

55 mm = ___________ cm

a)

0.55

b)

5.5

c)

550

d)

5,500

26.

32.9 km = ___________ cm

a)

32,900

b)

329,000

c)

3,290,000

d)

32,900,000

27.

330 cm = ___________ m

a)

3,300

b)

33

c)

3.3

d)

0.33

28.

56 L = ___________ mL

a)

560

b)

5,600

c)

56,000

d)

560,000

29.

159.7 g = ___________ kg

a)

0.1597

b)

1.597

c)

15.97

d)

1597

30.

68 cm = ___________ mm

a)

0.68

b)

6.8

c)

68

d)

680

31.

3 km = ___________ mm

a)

30

b)

300

c)

3,000

d)

3,000,000

32.

1000 m = ___________ km

a)

100

b)

10

c)

1

d)

0.1

33.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

34.

2,804 mg = ___________ g

a)

0.2804

b)

2.804

c)

28.04

d)

280.4

35.

An object is _____ if its position changes.

a)

in motion

b)

at rest

c)

a reference point

d)

a frame of reference

36.

Reference point is

a)

moving

b)

non moving

c)

changing

d)

speed

37.

Any change in the location or position of an object.

a)

Distance

b)

Mass

c)

Motion

d)

Reference Point

38.

the process, act or result of changing place or position.

a)

Motion

b)

position

c)

speed

d)

velocity

39.
A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)?
a)
0.02 km/hr
b)
1,800 km/hr
c)
50 km/hr
d)
50 km
40.
A storm is moving toward your house at a speed of 20 km/hr.  It is now 60 km away from your house.  In what time will the storm reach your house?
a)
0.3 hours
b)
1200 hours
c)
3 km
d)
3 hours
41.
An airplane leaves Orlando, FL and travels 540 miles to Washington D.C. The flight takes 90 minutes. What is the speed of the plane?
a)
0.17 m/s
b)
6 m/s
c)
6 s 
d)
480 m/s
42.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

43.

If there are two forces going in the same direction how would you find the net force?

a)
Subtract
b)
Add
c)

Divide

d)
Multiply
44.
Look at the diagram. What would be the direction of the motion ?
a)
movement to the left
b)
movement to the right
c)
no movement
45.

If there are two forces going in opposite directions how would you find the net force?

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

46.

What is the net force in this example?

a)

200 N left

b)

125 N right

c)

50 N left

d)

75 N right

47.
Which graph is showing acceleration (getting faster)
a)
D
b)
E
c)
both D and E
d)
neither D or E
48.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
49.
Acceleration is due to a force put on an objects mass. 
a)
1st
b)
2nd
c)
3rd
50.
F = MxA
a)
1st
b)
2nd
c)
3rd
51.
Object at rest stays at rest.
a)
1st
b)
2nd
c)
3rd
52.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
53.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
54.

Which of the following is an example of balancing forces?

a)

A Book resting on the table.

b)

A pencil is knocked off the desk.

55.

A push or a pull is called a

a)

Gravity

b)

Force

56.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

57.

There are four types of friction. What are those four called?

a)

sliding, rolling, static, and fluid

b)

slipping, sliding, falling, and fluid

c)

slipping, sliding, static, and flowing

d)

falling, sliding, moving and gravity

58.

What type of friction will you have when two objects slide against each other?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

59.

What type of friction will you see when two objects roll across each other?

a)

Static

b)

Sliding

c)

Fluid

d)

Rolling

60.

What type of friction will you see when air or liquid slows an objects movement?

a)

Rolling

b)

Fluid

c)

Static

d)

Sliding

61.

What type of friction will you see when an object that is still rests on top of another solid surface?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

62.

What type of friction will slow down the rolling soccer ball?

a)

Fluid

b)

Sliding

c)

Rolling

d)

Static

63.

What kind of friction will slow down a kid that goes down the slide?

a)

Static

b)

Rolling

c)

Fluid

d)

Sliding

64.

What kind of friction slows down the movement of the swimmer?

a)

Fluid

b)

Static

c)

Sliding

d)

Rolling

65.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
66.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
67.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 

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