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2nd 9wks Review Flashcards | StudBud
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2nd 9wks Review
2nd 9wks Review
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Flashcards
24 cards
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Questions
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Answers
1
What is the average speed of a car traveling 50 miles for 5 hours?
5 mph
100 mph
10 mph
15 mph
2
Where is Hydroelectric Energy available?
Near a lake
Near a stream
Near a pond
Near a river
3
A person driving for 2.0 hours covered a distance of 40.0 miles. What is the average speed?
15 mph
30 mph
20 mph
40 mph
4
In a distance-time graph, constant speed is represented by?
a diagonal line
a non-linear line
a horizontal line
a steep diagonal line
5
In a speed-time graph, constant speed is represented by?
a non-linear line
a horizontal line
a diagonal line
a steep diagonal line
6
What does the picture represent?
greater distance = less force
less distance = greater force
less distance = less force
greater distance = greater force
7
What are the energy transformations of a tv
Thermal, Light, Sound
Chemical, Electric, Sound
Electric, Light, Sound
Chemical, Thermal, Sound
8
Law of Conservation of Energy- Energy is not created or destroyed, it is transformed from one form to another...
True
False
9
Transformation of a battery into a flashlight that then gives off light.
Chemical to electrical to light
Chemical to thermal
10
In a distance-time graph, at a stop is represented by?
a diagonal line
a steep diagonal line
a horizontal line
a non-linear line
11
Energy transformations are when...
The amount of energy decreases
Energy changes from one form to another
Energy becomes useful
12
What is the formula for finding the average speed?
D=S÷T
S=D x T
S=D÷T
T=S x T
13
If an object is balanced it is -
moving 5N to the left
moving 10N up
Not moving at all
moving 5N to the right
14
Potential energy is -
stored energy
acceleration
movement
energy in motion
15
Which transformation is when a students eats lunch and uses the energy to play outside.
chemical-thermal-mechanical
chemical-light-thermal
mechanical-chemical-thermal
mechanical-chemical-electrical
16
What is force?
acceleration
constant speed
deceleration
push or pull
17
Kinetic energy is -
energy in motion
balanced
stored energy
unbalanced
18
On a distance-time graph, acceleration is represented by?
a steep diagonal line
a non-linear line
a diagonal line
a horizontal line
19
Is wind renewable or nonrenewable?
Nonrenewable
Renewable
20
Which section shows the greatest kinetic energy?
H
C
E
F
21
Which resources are considered fossil fuels?
oil, nuclear, natural gas
nuclear energy
coal, oil, nuclear energy
coal, oil, natural gas
22
A Renewable Resource means...
Not always available
Always available or naturally replaced
None
Takes time to be replaced and be available
23
30 minutes converted to hours is?
.5 hrs
1 hr
.25 hrs
1.6 hrs
24
How do inclined planes help a person?
greater distance = less force
greater distance = greater force
less distance = greater force
less distance = less force
