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1. The use of force to move an object a certain distance or to change an object.

• Potential energy
• Work
• Energy

2. Energy stored in the position or structure of an object.

• Potential energy
• Work
• Kinetic energy

3. A non-touching force between two objects. This word generally refers to the force between the Earth and another object.

• Gravity
• Law of conservation of energy
• Unbalanced Forces

4. A push or pull on one object by another that is touching it.

• Transforming Energy
• Gravity
• Contact force

5. A measure of the amount of gravity between two objects.

• Energy
• Weight
• Transforming energy

6. When energy is changed from one form to another

• Gravity
• Transforming Energy
• Kinetic Energy

7. Energy may change form but it cannot be created or destroyed.

• Force
• Law of conservation of energy
• Star

8. Two or more forces are equal in strength

• Balanced force
• Unbalanced force
• energy

9. a force that happens when objects rub together

• Energy
• gravity
• Friction

10. Two or more forces are not equal in strength. The object will move.

• Unbalanced force
• Friction
• Gravity