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Q 1/25
Score 0
Energy stored in the bonds between the atoms in molecules. When these bonds are broken, energy is either absorbed or released.
30
Nuclear Energy
Heat Energy
Sound Energy
Chemical Energy
Q 2/25
Score 0
Energy produced when electrons flow through materials or jump from one place to another.
30
Solar Energy
Sound Energy
Mechanical Energy
Electrical Energy
25 questions
Q.
Energy stored in the bonds between the atoms in molecules. When these bonds are broken, energy is either absorbed or released.
1
30 sec
Q.
Energy produced when electrons flow through materials or jump from one place to another.
2
30 sec
Q.
The average kinetic energy (energy of motion) of all particles in that substance.
3
30 sec
Q.
This type of energy consists of two types: kinetic (motion) and potential (pull of gravity).
4
30 sec
Q.
Energy associated with the nucleus of an atom.
5
30 sec
Q.
Energy from the sun that includes visible light and infrared energy.
6
30 sec
Q.
Energy that moves through solids, liquids, and gases in the form of vibrations.
7
30 sec
Q.
Two metal blocks have temperatures of 30 C and 10 C. Both blocks are made of the same material. The hotter one is three times the size of the cooler one. Their temperatures are not affected by anything but each other. Once they have reached the same temperature, ABOUT what temperature will they be?
8
120 sec
Q.
A pole vaulter runs with the pole, plants it in the ground, rises in the air, and soars over the bar. Which of the following statements is NOT true about the energy transformations?
9
120 sec
Q.
Which type of energy resource is nonrenewable?
10
120 sec
Q.
After a hot day, the temperature cools and Jeremy opens windows both upstairs and downstairs in his house. Cool air enters through the downstairs windows and hot air exits through the upstairs windows. What sort of heat transfer has occurred?
11
120 sec
Q.
What type of energy transformation occurs when you turn on a toaster?
12
120 sec
Q.
In Iceland, some power plants inject water deep into the Earth. There, the water heats up and turns into steam. The steam returns to the power plant, where it turns a turbine that makes power for lights, televisions, and so on. Which type of energy transformation occurs within these power plants?
13
120 sec
Q.
A car company designs two new types of engines. When the two engines use gasoline at the exact rate, engine 1 gets hotter than engine 2. Which engine is more efficient and why?
14
120 sec
Q.
Flashback question time!!... Let's see what you remember from our last lesson...Use the formula F = ma to calculate the following answer. What is the force of an object with a mass of 20 kg and an acceleration of 5 m/s2?
15
120 sec
Q.
Use the formula F=ma. Calculate the acceleration of a 150 kg object that is moved with a force of 300N.
16
120 sec
Q.
Use the formula F = ma. What is the mass of an object that is accelerating 60 m/s^2 when a force of 3000N is exerted?
17
120 sec
Q.
Use the formula F=ma. What net force is required to accelerate a car at a rate of 2 m/s^2 if the car has a mass of 3,000 kg?
18
120 sec
Q.
Use the formula F = ma. A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s^2?
19
120 sec
Q.
What is the net (total) force in this diagram? Remember...add if they are in the arrows are in the same direction. Subtract if the arrows are in different directions.
