Across
- 1 over the frequency of a wave
- The rate of change in an object's position
- Negatively charged particle in the atom
- Particles that make up light
- Mass times acceleration
- Isaac ___ discovered gravity
- Simple ____, for example lever, wheel and axle, pulley, wedge, screw
- Kinetic and potential
- Largest planet in the Solar System
- It is measured in Farads
- A substance made from a single type of atom
- Giant spheres of superhot gas
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Down
- Center of the atom
- Velocity is the speed of an object plus its ____
- Positively charged particle in the atom
- Waves that can be heard with our ears
- A material that allows electricity to flow easily
- Force times distance, learning physics is hard ___
- The measure of the force of gravity on an object
- It is measured in Watts
- It includes the Sun and all the planets and other objects that orbit the Sun
- The flow of electric charge
- This type of energy can be replenished, solar power, windmills
- Planet we live on
- Basic building block for all matter
- A measurement of the matter contained in an object
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