Vocabulary
the ability to do work
energy
Calculate the Potential Energy of a ball that weighs 8 kg and is about to fall from a 10 meter high building. (use 10 m/s) for your gravitational constant.
800 Joules
Name two factors that effect static electricity.
Distance and Strength of Charge
A solar panel on the roof of a house
radiant to electrical
How many miles away is Russia from Alaska?
2 Miles
The energy of motion
mechanical energy
Water flowing is what form of energy?
Kinetic Energy
What are the types of energy and the equations for calculating each.
Kinetic Energy= 1/2 m v*2
Potential Energy= mgh
a light bulb converts electrical energy into which forms of energy?
radiant/light and heat
What is the hottest planet in our solar system?
Venus
Electromagnetic Waves
Radiant Energy
What form of energy are rocks falling from the top of a mountain?
Mechanical
At what position on a hill is the kinetic energy 100%?
At the bottom/ lowest point
How can a roller coaster gain potential energy?
Go higher
How many bones are humans born with?
300
Vibrations of waves through material
Sound Energy
What energy CHANGE takes place when someone plugs a radio into an electrical outlet?
Electrical energy changes into sound energy
Both of these types of energy produce "waves" and are a part of our bodies' senses. Some examples are your tv, and your phone
Sound & light energy
A car running on gas converts _______energy to _____ ,________, & ________
chemical to mechanical, sound, and heat
What is the only type of food that NEVER spoils?
Honey
The Law of Conservation of Energy states that energy is never created or destroyed, it is only ________ from one form to another.
converted
music coming from the radio, your loud vacuum cleaner, people talking on tv are all examples of this type of energy
sound energy
Energy at rest is what kind of energy?
potential energy
A ball has a mass of 2kg and is being thrown at a speed of 10 m/s. What is the ball's Kinetic Energy in Joules?
100 joules
How many hearts does an octopus have?
3