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Science Final 2 Review

Total questions: 51

Worksheet time: 2hrs 40mins

Name
Class
Date
1.
Tyreese sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?
a)
2 meters per second
b)
20 meters per second
c)
40 meters per second
d)
10 meters for second
2.
A runners races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
3.
What is the formula to calculate speed?
a)
S=t/d
b)
S=d/t
c)
S=d*t
d)
S=d*t
4.
Which is correct?
a)
speed = distance x time
b)
speed = speed divided time
c)
speed = distance divided by time
d)
speed = time x speed
5.
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
6.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
7.

What is the average speed of the person during the first 5 seconds?

a)

5 m/s

b)

1 m/s

c)

3 m/s

d)

6 m/s

8.
Which of the following is a unit of distance ?
a)
miles/hr
b)
mi
c)
sec
d)
min
9.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
10.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
11.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
12.

Which is correct?

a)

speed = distance x time

b)

speed = speed divided time

c)

speed = distance divided by time

d)

speed = time x speed

13.

What is distance?

a)

an object's overall change in position (start to end)

b)

how much ground an object has covered during its motion

c)

how fast an object is moving

d)

how long it takes an object to move from start to end

14.

What is speed?

a)

an object's overall change in position (start to end)

b)

how much ground an object has covered during its motion

c)

how fast an object is moving

d)

how long it takes an object to move from start to end

15.

Bruno sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?

a)

2 meters per second

b)

20 meters per second

c)

40 meters per second

d)

10 meters for second

16.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
17.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
18.
A runners races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
19.
Which of the following is a unit of distance ?
a)
miles/hr
b)
mi
c)
sec
d)
min
20.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
21.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
22.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
23.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
24.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
25.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
26.
Convert 300 cm to m:
a)
3 m
b)
30 m
c)
0.3 m
d)
0.03 m
27.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
28.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
29.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
30.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
31.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

32.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

33.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
34.
Which unit is a a measure of volume?
a)
meters
b)
grams
c)
inches
d)
liters
35.

Select the smallest unit.

a)

milliliter

b)

centiliter

c)

hectoliter

d)

liter

36.

Which of the following options is the base unit?

a)

kilometer

b)

centimeter

c)

meter

d)

millimeter

37.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
38.

What is Newton's 2nd law of motion?

a)

Inertia

b)

Force= Mass multiplied by acceleration

c)

For every action there is a equal and opposite re-action.

d)

Law of gravity

39.

Objects with greater mass have a greater inertia; objects with less mass have less inertia.

a)

true

b)

false

40.

Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

a)

force or applied force

b)

weight

c)

gravity

d)

mass

41.

Net force is a combination of all ________ acting on an object.

a)

forces

b)

speeds

c)

accelerations

d)

velocities

42.

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

a)

weak

b)

strong

c)

balanced

d)

unbalanced

43.

What is Newton's 2nd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

44.

What is Newton's 3rd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

45.

A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

46.
How much force is needed to accelerate a 3kg skateboard at 5m/s2. 
a)
8N
b)
1.6N
c)
0.6N
d)
15N
47.
Newton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.
a)
M=F/A
b)
F=MA
c)
A= F/M
d)
All of the above
48.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
49.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
50.
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
51.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight

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