Wave n Save
Eclectic
Electric
Joules
Rules
Neat
Heat
Momentous
Newtons
100
Which of these activities can help conserve natural resources?

A.Building wooden fences
B. Washing small loads of laundry
C. Driving large cars
D.Recycling cardboard boxes

What is
D.Recycling cardboard boxes
100
What is the kinetic energy of a 2 kg ball atop a 3 m hill?

A. 0 J
B. 5 J
C. 6 J
D. 60 J

What is
A. 0 J
100
How much work is performed when a 50 kg crate is pushed 15 m with a force of 25 N?

A. 40 J
B. 90 J
C. 375 J
D. 18750 J

What is
C. 375 J
100
Which of these is the best example of heat transfer by radiation?

A. A satellite is warmed by sunlight
B. Butter melts on warm bread
C. A ceiling fan cools a warm room
D. Puddles of water cool a warm time floor

What is
A. A satellite is warmed by sunlight
100
A cyclist moves at a constant speed of 5.5 m/s. If the cyclist does not accelerate during the next 22 seconds, he will travel--

A. 4 m
B. 27.2 m
C. 54.4 m
D. 121 m

What is
D. 121 m
200
All of these materials can be recycled except--

A. coal
B. glass
C. lumber
D. aluminum

What is
A. coal
200
After shooting a cannonball, a cannon recoils with much lower velocity than the cannonball. This is primarily because, compared to the cannon, the cannonball has a--

A. more electrical energy
B. greater momentum
C. more potential energy
D. less mass

What is
D. less mass
200
If a force of 250 newtons was exerted on an object and no work was done, the object must have--

A. accelerated rapidly
B. remained motionless
C. decreased its velocity
D. gained momentum

What is
B. remained motionless
200
The primary way liquids and gases transmit heat is by the process of--

A. reflection
B. conduction
C. radiation
D. convection

What is
D. convection
200
A ball moving at 200 m/s has a momentum of 20 kgm/s. The mass of the ball is--

A. 0.1 kg
B. 1 kg
C. 10 kg
D. 220 kg

What is
A. 0.1 kg
300
The distance between the top of one wave and the top of the next wave is defined as--

A. period
B. wavelength
C. frequency
D. amplitude

What is
B. wavelength
300
A 9.0 V batter is connected to a bulb with resistance 3.0 ohms. What is the current in the circuit?

A. 0.3 amp
B. 3.0 amp
C. 9.0 amp
D. 27.0 amp

What is
B. 3.0 amp
300
An advertisement claims that a certain truck has the most powerful engine in its class. If the engine has more power, which of the following can the truck's engine do, compared to every other engine in its class?

A. produce fewer emissions
B. operate more efficiently
C. perform work faster
D. accelerate longer

What is
C. perform work faster
300
In West Texas and Southern California, high winds drive turbines that generate electricity. One advantage that wind energy has over energy generated from solar cells is that wind energy —

A. is plentiful everywhere
B. can be generated at night
C. produces cleaner energy
D. is free from environmental hazards

What is
B. can be generated at night
300
How much force is needed to accelerate a 1,300 kg car at a rate of 1.5 m/s2?

A. 867 N
B. 1950 N
C. 8493 N
D. 16562 N

What is
B. 1950 N
400
A tuning form with a frequency of 256 Hz vibrates when struck. Because of these vibrations, a nearby tuning fork begins to vibrate without being struck. Which of the following best accounts for the vibrations of the second tuning fork?

A. Diffraction
B. Polarization
C. Refraction
D. Resonance

What is
D. Resonance
400
When trying to spear a fish in water, a person needs to take into account the way light bends as it moves from water into air. The bending of light as it passes from one medium into another is known as —

A. Reflection
B. Refraction
C. Diffraction
D. Polarization

What is
B. Refraction
400
A blender has a work efficiency of 42%. What is the work output if the input is 60 J?

A. 1.4 J
B. 22.0 J
C. 25.2 J
D. 102.0 J

What is
C. 25.2 J
400
Which process best shows the conversion of solar energy to chemical energy?

A. Prevailing winds causing windmills to spin
B. Uranium producing heat to make steam
C. Tides generating electricity
D. Green plants making their own food

What is
D. Green plants making their own food
400
A 0.500 kg ball with a speed of 4.0 m/s strikes a stationary 1.0 kg target. If the momentum is conserved, what is the total momentum of the ball and target after the collision?

A. 0.0 kgm/s
B. 0.5 kgm/s
C. 1.0 kgm/s
D. 2.0 kgm/s

What is
D. 2.0 kgm/s
500
Solar Radiation and Earth
Effect Amount of Energy per Second (terajoules)
Solar radiation reaching Earth 173,410
Radiation reflection back into space 52,000
Radiation heating atmosphere, landmasses, and oceans 81,000
Radiation producing winds and ocean currents 370
Radiation used in photosynthesis 40
Radiation resulting in evaporation of water ?

Assuming the chart contains all energy transformations in the Earth system, how much solar radiation goes towards evaporating water?

A. 40,000 terajoules
B. 92,410 terajoules
C. 121,410 terajoules
D. 133,410 terajoules

What is
A. 40,000 terajoules
500
States that matter cannot be created or destroyed.
What is the Law of Conservation of Mass (or Matter)
500
Toy Car Distance
Trial Distance (m)
1 2
2 3
3 2
4 5

The table shows distance the toy car travel after traveling down different rams. The difference in distance was probable a cause by differences in --

A. car density
B. ramp angle
C. car color
D. acceleration due to gravity

What is
B. ramp angle
500
When a pitcher of water with tea bags is placed outside in the sun, the water inside warms making tea. This process is an example of--

A. convection
B. conduction
C. compression
D. radiation

What is
D. radiation
500
At 0°C sound travels through air at a speed of 330 m/s. If a sound wave is produced with a wavelength of 0.10 m, what is the wave’s frequency?

A. 0.0033 Hz
B. 33 Hz
C. 330 Hz
D. 3300Hz

What is
D. 3300Hz
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