A student uses a flashlight to shine a beam of light on three different objects.
Match each definition to the correct word.
Light rays bounce off a surface.
A form of energy produced by increasing the temperature or adding heat.
A form of energy produced by an object moving.
Light rays bend when passing from one medium to another.
Refraction
Reflection
Mechanical Energy
Thermal Energy
Plant nurseries use light from lamps so plants can perform photosynthesis and make their own food. These lamps also provide heat so plants do not freeze.
What type of energy do the lamps provide in order for plants to live?
Thermal energy and light energy
Sound energy and thermal energy
Mechanical energy and sound energy
Light energy and mechanical energy
Which of the following describes how a shadow is produced?
Light is refracted by an object.
Light travels around an object.
Light is absorbed by an object.
Light is reflected off an object.
The toy oven shown uses a lightbulb to bake small cakes.
What types of energy does the toy oven use to bake the cakes?
