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Across 1. The scientific word for ‘have the same amount or value’. 6. This word means move faster and faster, not at the same speed. 8. Random motion is __________. 9. The distance something moves in a certain time is called the _________. 10. When motion is __________, you can’t predict what will happen next. 13. When the sum of all forces are not equal to zero, forces are __________. 14. Mr. Foucault built a pendulum that shows the Earth’s __________. 17. A pendulum on a __________ string will swing slower. 18. Electricity can only flow when there’s a _________. 21. When something has more positives than negatives, it is positively __________. 22. When you have to touch something to move it, the force is a _________ force. 23. A push or a pull. 24. When something repeats the same thing again and again, there’s a __________. 26. When there’s a pattern in motion, you can __________ what will happen. 27. When you’re coasting on a bicycle, friction is _______. 28. A pendulum on a __________ string will swing faster.

Down 1. Coils wrapped around an iron rod and electric current flowing through the coils makes an __________. 2. A ________ only exerts a force on charged objects. 3. A force that always opposes motion when there is contact between two surfaces. 4. A Dutch man made a wind-powered machine called a __________. 5. Like charges ________ each other. 7. A weight that swings on the end of a string is a __________. 9. Electricity that isn’t flowing is called ________ electricity. 11. When the sum of all forces equals zero, forces are __________. 12. The scientific word for movement. 15. Unlike charges ________ each other. 16. Pulling on the bicycle’s brakes creates _______ friction. 18. When electricity flows in a circuit, it’s called electrical _________. 19. A force always pulling things towards Earth. 20. When a static electrical charge is neutralized by jumping through the air, you’ll see a __________. 23. A pendulum swings back and _______. 24. A magnet has two ______. 25. The sum of all forces is called the _______ force.