Unit 2

5. a number that is multiplied by another number to find a product
7. a fraction with a numerator of 1
8. the ability to do work or cause change
10. a fraction in which a numerator is greater than or equal to the denominator
13. a greek root word having to do with or related to light
14. the top number in a fraction
15. the form of energy that consists of the flow of electric charges through a conductor in a circuit
16. the smallest number that is a common multiple of two or more numbers, used to find a common denominator
17. a greek root work having to do with water
18. a number made of a whole number and a fraction
19. (heat energy)the energy of moving particles that produce heat
20. the bottom number in a fraction
21. the largest factor that two or more numbers have in common-used to simplify and reduce

1. a whole number that has more than two factors
2. to write a fraction in lowest terms
3. the energy of motion created by physical movement
4. the energy of vibrations carried by some form of matter
6. natural resources that are always available and are considered forms of energy used to replace fossil fuels
9. energy that can be seen, travels through empty space, and travels in a straight line until it hits some form of matter
11. one of two nmbers whose product is 1:the flip of a fraction-the reciprocal of 1/2 is 2 or 2/1
12. a number that names a part of a whole or part of a group
13. a whole number greater than 1 with exactly two factors, 1 and itself
15. two or more fractions with the same value