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7G UNIT 1
Test Description: Speed Density Types of Energy Energy Transformation Work
Instructions: Answer all questions to get your test result.
1) What is the formula for speed?
A
S= T-D
B
S= DxT
C
S= D/T
D
S= T+D
2) A car travels 50 miles for 2 hours. What is the car's average speed?
A
25 kmh
B
25 meters
C
25 m/s
D
25 mph
3) What is the formula for DENSITY?
A
D=M-V
B
D=M+V
C
D=MxV
D
D=M/V
4) What is density of an object with a mass of 10 grams and a volume of 2 ml?
A
5 g/ml
B
8 g/ml
C
12 g/ml
D
20 g/ml
5) What is the speed of an object in mph if it travels 10 miles in 30 mins?
A
20 mph
B
300 mph
C
.33 mph
D
10 mph
6) What is the speed of a car that travels 80 meters in 10 seconds?
A
800 m/s
B
90 m/s
C
10 m/s
D
8 m/s
7) Which of the following objects float on water based on their densities?
A
Object D Density = 2 g/ml
B
Object A Density = 1.5 g/ml
C
Object B Density = .50 g/ml
D
Object C Density = 100 g/ml
8) A car travels for 5 hours and gets 500 kilometers north. What was its average speed?
A
100 km/h
B
505 mph
C
505 km/h
D
100 mph
9) What is the Density of water?
A
1.5g/ml
B
1g/ml
C
.1g/ml
D
10g/ml
10) In order to find speed you take Distance and ____________ by Time.
A
Divide
B
Add
C
Subtract
D
Multiply
11) What type of energy does a batter represent?
A
Chemical Energy and Potential Energy
B
Radiant Energy and Light Energy
C
Radiant Energy and Electrical Energy
D
Chemical Energy and Kinetic Energy
12) Which of the following represents work being done?
A
Holding a box above your head
B
Pulling on a large rock that is not moving
C
Lifting and placing a book on a bookshelf
D
Pushing up against a wall
13) What type of energy transformation occurs during Photosynthesis?
A
Chemical Energy to Radiant Energy
B
Electrical Energy to Kinetic Energy
C
Light Energy to Electrical Energy
D
Radiant Energy to Chemical Energy
14) The ___________ the position of an object, the more Potential Energy.
A
Longer
B
Higher
C
Bigger
D
Lower
15) Which of the following does a person running NOT represent?
A
Kinetic Energy
B
Thermal/Heat Energy
C
Mechanical Energy
D
Electrical Energy
16) Can the Sun represent more than one type of energy?
A
YES
B
IDK (Hint: This is not the answer!)
C
MAYBE
D
NO
17) In order for something to count as WORK you must have.......
A
Energy Transformation
B
Energy
C
Photosynthesis
D
Motion
18) What is Potential Energy
A
Energy in Motion
B
Work
C
Energy from the Sun
D
Stored Energy
*select an answer for all questions
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