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Forces & Motion
| Term | Definition |
|---|---|
| Gravity | A force that pulls objects toward each other. On Earth, gravity pulls objects toward the ground. |
| Friction | A force that slows down or stops motion when two surfaces rub against each other. |
| Mass | The amount of matter in an object. |
| Motion | A change in position over time. |
| Force | A push or a pull that can change an object’s motion. |
| Increasing | Becoming greater in size, amount, or speed. |
| Decreasing | Becoming smaller in size, amount, or speed. |
| Speed | How fast or slow something moves. |
| Direction | The path or way something moves. |
| Position | The place or location of an object. |
| Cardinal directions | The four main directions used to describe location: north, south, east, and west. |
| North/South/East/West | The four main compass directions used to describe where something is located. |
| Right/Left/Forward/Back | Words used to describe direction or movement from a starting position. |
| Distance | The amount of space between two points or how far an object moves. |
| Relative | Compared to something else; how position or motion looks from a certain point of view. |
| Axis | An imaginary line that an object spins or rotates around. |
| Data table | A chart used to organize and record information during an investigation. |
| Prediction | A thoughtful guess about what will happen based on evidence or prior knowledge. |
| Model | A representation (drawing, object, or idea) used to explain or show how something works. |
| Variable | A factor in an experiment that can change. |
| Constant | A factor in an experiment that stays the same. |
Created by:
Hhellard
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