Match the definition to the matching vocabulary word.
- energy from moving parts.
- energy that changes the temperature.
- energy that we can see.
Fill in the blank with the correct word using the words below the sentences.
Looking through eyeglass lenses is an example of of light. The light will as it passes through the lenses. Looking at an image in a mirror is an of light. The light will back.
Fill in the blank with the correct word using the words below the sentences.
Light travels in a until it strikes an object. Light can reflect, refract or be . A is made when light is by an object.
Fill in the blank with the correct word using the words below the sentences.
energy is caused by vibrations. A fan uses energy and the moving blades of a fan produces energy. An oven uses energy to cook food.
What form of energy does a television use?
What type of energy does a solar panel like the one shown in the image use?
The arrows in the diagrams below represent light. Which diagram best shoes how a glass lens refracts light?
Decide if each situation is reflecting light, refracting light or absorbing light.
Reflecting light
Refracting light
Absorbing light
Mechanical | Electrical | Light | Thermal | Sound | |
|---|---|---|---|---|---|
Sun (1 & 2) | |||||
Windmills (3) | |||||
Wires (4) | |||||
House (5) |
Use the image above to determine ALL the energy produced, used, or result in for each number.