Light and Shadows Flashcards

Grade 1 · Science · Flashcards

Review key words about light and how shadows form.

Flashcards

Light: A form of energy that lets us see things
Shadow: A dark shape that forms when an object blocks light
Light source: Something that produces light, like the sun or a lamp
Natural light: Light that comes from nature, such as sunlight
Artificial light: Light made by people, such as lamps, flashlights, or candles
Transparent: Lets light pass through; no shadow is formed
Opaque: Blocks light and creates a shadow
Reflect: When light bounces off a surface, like a mirror
Straight lines: The path light always travels in
Sunrise: When the sun appears in the morning — shadows are long
Midday: When the sun is highest in the sky — shadows are shortest
Absorb: When a material takes in light rather than reflecting it