| A | B |
| A factor that contributes to the change of seasons | the tilt of the Earth on its axis |
| A raw material that conducts electricity | metal |
| The process in plants that uses CO2 and produces O | photosynthesis |
| Enables us to see the moon | It reflects sunlight |
| A force that causes the earth to orbit the sun | gravity |
| A tool/equipment that attracts iron filings | magnet |
| The shade of a surface of an object facing the sun | light |
| Sun | star |
| Example | model |
| The amount of time the Earth revolves around the sun | 12 months/365 days |
| The position of the Moon on its orbit | phases of the moon |
| Important reasons for cell division in multi-cellular organisms | growth and repair |
| Important functions of the skeletal system | protection and support |
| Two systems that allow your arm to flex/extend | skeletal and muscular |
| A response to the environment | humans sweating in a hot room |
| Main function of digestive system | breakdown of food for absorption into blood |
| A change in the environment that causes a response | stimulus |
| Part of microscope that allows you to focus | focusing knob |
| A type of organism that has a cell wall | plant cell |
| What reduces bubbles on a slide | coversliop |
| Ameba | only has one cell |
| Overall function of the parts of a cell | carry on life activities within the cell |