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Science 8
Energy Questions
| Question | Answer |
|---|---|
| What is energy? | The ability to do work. |
| What does it mean to "do work?" | It means to cause a change in something. |
| A baseball flies through the air and hits a window and breaks the glass into small pieces. The moving baseball has what in it?? | Energy |
| What is energy from the transport of electrons? | Electrical Energy |
| What is energy released from chemical bonds? | Chemical Energy |
| What do we call the type of energy when light is released? | Radiant Energy |
| What do we call the type of energy when heat is released? | Thermal Energy |
| Sunlight is an example of what type of energy? | Radiant Energy |
| Lava is an example of what type of energy? | Thermal Energy |
| When we digest our breakfast - what type of energy is used? | Chemical Energy |
| A light bulb is an example of what type of energy? | Electrical Energy |
| The energy of motion is called ______________ | Kinetic Energy |
| Kinetic energy depends on mass and __________________ | velocity |
| Stored energy is called ___________________ | potential energy. |
| A roller coaster car sitting on top of the track has what type of energy? | Potential Energy |
| A roller coaster car moving up and down the track has what type of energy? | Kinetic Energy |
| What type of potential energy is stored in an object based on its height and mass? | Gravitational Potential Energy |
| What is the formula for GPE (gravitational potential energy) | GPE = mgh |
| What is the law that states energy cannot be created or destroyed - only transformed and transferred. | Law of Conservation of Energy |
| KE = 1/2mv2 What is this formula for? | Kinetic Energy |
| What is the unit for energy? | Joules (J) |
| What is the total amount of kinetic and potential energy in a system? | Mechanical Energy |