15 questions
How could you increase the gravitational potential energy of an object without changing its mass and gravity?
Make the object larger
Lower the object towards the ground
Raise the object farther off the ground
Allow the object to roll on the ground
Which picture is NOT an example of Chemical Potential Energy?
A brick and a pencil are dropped at the same time from the same height. Which one would hit the ground first? (assume there is no air resistance)
brick
pencil
both would hit at the same time
What two things determine the gravitational force between 2 objects?
mass & weight
mass & distance
density & mass
volume & distance
The Law of Conservation of Energy states that energy can't be _____________.
transformed.
created or destroyed.
converted.
harnessed or produced.
What type of energy do we use to cook food?
mechanical
light
thermal
sound
Where does Nuclear Fusion occur naturally?
Underwater
All around us
On the Sun and other stars
This is an example of...
Nuclear Fission reaction
Nuclear Fusion reaction
Decomposition reaction
Combustion
This is an example of ___________.
Radioactive Decay
Nuclear Fission
Nuclear Fusion
Fossil fuel reaction
This type of Electromagnetic Energy has the longest wavelength.
gamma rays
visible light
microwaves
radio waves
This type of Electromagnetic Energy is used by detectives to illuminate bodily fluids like blood and saliva.
ultraviolet light
visible light
X-rays
radio waves