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Energy and Waves. Fourth Grade Science. What is Energy?. Energy Makes Things happen. How can energy be stored?. *food *fuel *batteries. How do Plants use energy from the sun?.
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Energy and Waves Fourth Grade Science
What is Energy? Energy Makes Things happen
How can energy be stored? *food *fuel *batteries
How do Plants use energy from the sun? Light energy from the sun is captured by plants during photosynthesis. It is converted into food (chemical energy) which is stored in the plant.
What are some of the many forms of energy? heat light electrical chemical movement sound
How do light and sound travel? In waves
What happens to sound if you increase the wave amplitude? It gets louder
What happens to sound if you change the wavelength? The pitch will change
What materials can light travel though Things that are transparent or translucent
What can sound travel though? All materials
What are some devices that can transfer electrical energy into light? Lamp Computer TV Cell phone
What are some devices that can transfer electrical energy into sound? Speakers Cell phone Computer Radio TV doorbell
What are some devices that can transfer electrical energy into motion? Motors Toys Robots Remote control cars fans
Invent a device that transfers energy in three different ways. Describe how the energy is transferred and what each type of energy travels through Performance Task: