Across
- 2. metals are magnetic when they have an ____ number of electrons spinning which creates magnetic poles.
- 4. atoms contain charged particles. Like charges ____ each other, and unlike charges attract each other.
- 6. Physics is the branch of science that ______ matter and energy.
- 8. In insulators, electrons are ____ to their atoms.
- 9. Stored energy is _____ that is not being used to do work.
- 10. When stored energy is used, it can be changed into ____ energy - the energy of an object that is moving.
- 12. _____ light-all wavelengths that humans can see-is only a small segment of the electromagnetic spectrum.
- 15. friction is an oppositional force that causes objects to ___ down and stop.
- 16. Sounds are waves moving through fluids and_____. decibels Sound intensity is measured in____.
- 18. Energy is something that gives something else the ____ to do work.
Down
- 1. Stored ____ energy is the energy stored in molecules like those found in batteries, fuels, and food.
- 3. Light is a type of ________ wave.
- 5. in conductors, electrons are ____ to move from atom to atom.
- 7. Work is what happens when ____ is applied to an object and it moves or changes shape or speed.
- 11. when charges move or ____, an electrical current is generated.
- 13. There are different ____ of stored energy - chemical, elastic, and gravitational stored energy.
- 14. The law of conservation of energy states energy is neither created nor destroyed and that the ____ amount of energy does not change as energy is converted from one form to another.
- 15. A force is anything that changes the position, shape, or ____ of an object.
- 17. Inertia is the property of an object which resists a change in motion. Inertia keeps motionless objects ___ or keeps moving objects moving.