Across
- 4. A graph that shows changes in data over time
- 7. Tiny living organisms that can cause diseases
- 10. The movement of blood through the body
- 11. The average found by adding numbers and dividing by how many there are
- 12. A change that produces a new substance
- 13. The process where liquid slowly changes into gas
- 15. The force that pulls objects toward Earth
- 17. Changing units such as meters into centimeters
- 19. A number written with a point separating whole and fractional parts
- 20. The total distance around a shape
Down
- 1. The space inside a shape measured in square units
- 2. A symbol used to represent an unknown number in algebra
- 3. The organ that pumps blood through the body
- 5. Evidence of a chemical change such as gas or colour change
- 6. Fractions that represent the same value
- 8. The path the Moon follows around Earth
- 9. Arranging numbers from smallest to largest
- 14. Value of a digit depending on its position in a number
- 16. Approximating a number to the nearest 10, 100, or whole number
- 18. A fraction reduced so the numerator and denominator have no common factors