7th Grade Science Help
Conservation of Energy - All Activities
Spelling, matching, typing, and a study guide on one page. Reuse the same ELL-friendly definitions for energy transfer, transformation, kinetic, potential, and thermal energy.
Beginner ELL Core Idea
- Energy moves.
- Energy changes form.
- Energy is not lost.
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A system where no energy can enter or leave — the total amount inside stays constant.
The scientific law stating that the total amount of energy in a system never increases or decreases — it only changes form.
The movement of energy from one object or place to another, without changing its form.
A change in the form of energy, such as electrical energy becoming light and heat.
The energy an object has because it is moving. The faster something moves, the more of this it has.
A system where energy can freely enter or leave, unlike a system that is closed.
Stored energy that an object has because of its position or condition, ready to be released.
The total energy of moving particles within a substance — commonly experienced as heat.
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Study Guide
Quick meanings for every word. Pair terms with visuals to support newcomers.
| Word | Meaning |
|---|---|
| Closed System | A system where no energy can enter or leave — the total amount inside stays constant. |
| Conservation of Energy | The scientific law stating that the total amount of energy in a system never increases or decreases — it only changes form. |
| Energy Transfer | The movement of energy from one object or place to another, without changing its form. |
| Energy Transformation | A change in the form of energy, such as electrical energy becoming light and heat. |
| Kinetic Energy | The energy an object has because it is moving. The faster something moves, the more of this it has. |
| Open System | A system where energy can freely enter or leave, unlike a system that is closed. |
| Potential Energy | Stored energy that an object has because of its position or condition, ready to be released. |
| Thermal Energy | The total energy of moving particles within a substance — commonly experienced as heat. |