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2024 Mid Term Final Review

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.
In science, activities are performed that test the validity of theories. These activities are called __.
a)
experiments
b)
variables
c)
controls
d)
hypotheses
2.
Which of the following is an example of an SI unit?
a)
gallon
b)
second
c)
pound
d)
foot
3.
Which of the following is NOT considered technology?
a)
car
b)
book
c)
leaf
d)
shovel
4.
Mrs. Anderson's car with a mass of 50 kg rolls 5 meters in 30 seconds. What is her car's speed? Round to the nearest hundredths place (second decimal place).
a)
.17
b)
7
c)
72
d)
170
e)
Option 5
5.
When Mrs. Anderson's car started "initial" how fast was her car going?
a)
0
b)
.17
c)
17
d)
170
6.

What was Mrs. Anderson's car final speed/velocity? Round to the nearest hundredths place (second decimal place). Mass=50kg distance=5 meters, time=30 seconds

a)
.017
b)
.17
c)
17
d)
1700
7.

What was the momentum of Mrs. Anderson's car? mass=50kg, time=30 seconds, and distance=5 meters

a)
850
b)
85
c)
8.5
d)
.85
8.

What was the acceleration of Mrs. Anderson's car? Mrs. Anderson's car with a mass of 50 kg rolls 5 meters in 30 seconds.

a)
1
b)
.1
c)
.01
d)
.001
9.
This question has three parts. First, answer Part A. Then, answer Part B, and then C. Part A If the objects in the data table above all fell the same distance, which object fell with the greatest average speed?
a)
Object A
b)
Object B
c)
Object C
d)
Object D
10.
This question has three parts. First, answer Part A. Then, answer Part B, and then C. Part B Which object was affected the most by air resistance?
a)
Object A
b)
Object B
c)
Object C
d)
Object D
11.
This question has three parts. First, answer Part A. Then, answer Part B, and then C. Part C Explain why the four objects do not fall with the same speed.
4 lines
12.
Which is NOT a simple machine?
a)
wheel and axel
b)
wedge
c)
bicycle
d)
pulley
13.
What type of energy transformation occurs when a child uses a swing?
a)
chemical energy to gravitational potential energy
b)
gravitational potential energy to kinetic energy
c)
thermal energy to mechanical energy
d)
mechanical energy to chemical potential energy
14.
What type of energy transformation occurs when bread is toasted in a toaster?
a)
kinetic to thermal
b)
chemical potential to thermal
c)
chemical potential to kinetic
d)
electrical to thermal
15.

What is the most important thing in science?

a)

evidence

b)

discoveries

c)

experiments

d)

explosions

16.

The scientist tested his _______ by performing repeated _______.

a)

hypothesis - experiments

b)

hypothesis- data

c)

facts - experiments

d)

facts - observations

17.

The scientist gathered all of the _______ before making a _______.

a)

particles - concept

b)

data - guess

c)

concepts - guess

d)

data - conclusion

18.

Before presenting her findings, Nora gathered all of the _______ to make a _______.

a)

particles - concept

b)

data - guess

c)

concepts - guess

d)

data - conclusion

19.

How do you calculate speed?

a)

distance/time

b)

time/distance

c)

time x distance

d)

time x distance

20.

How do you calculate velocity?

a)

time x distance

b)

distance x time

c)

time/distance

d)

distance/time

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