Light
What I should already know...
What I should already know...
Light is essential for plant growth.
Light is essential for plant growth.
Key Vocabulary
Key Vocabulary
Vocabulary
Vocabulary
Definition
Definition
Absence
Absence
Something not being there.
Something not being there.
Luminous
Luminous
Any object that gives out light.
Any object that gives out light.
Opaque
Opaque
Doesn't let light through.
Doesn't let light through.
Reflected
Reflected
Give something back without absorbing it.
Give something back without absorbing it.
Shadows
Shadows
A dark area or shape produced by a body coming between rays of light and a surface.
A dark area or shape produced by a body coming between rays of light and a surface.
Surfaces
Surfaces
The outside part or uppermost layer of something.
The outside part or uppermost layer of something.
Translucent
Translucent
Allowing light, but not detailed shapes to pass through. Semi-transparent.
Allowing light, but not detailed shapes to pass through. Semi-transparent.
Transparent
Transparent
Allowing light to pass through so that objects behind can be directly seen.
Allowing light to pass through so that objects behind can be directly seen.
What is light?
What is light?
The sun is the main source of light and can be very dangerous. There are ways we can protect our eyes.
Any object that gives out light is luminous.
We need light in order to see things. Dark is the absence of light.
Light is reflected from surfaces.
Shadows are formed when the light from a light source is blocked by an opaque object.
The size of the shadow depends on the time of the day, shadows are longest in the early morning and late afternoon/early evening when the sun appears low in the sky.
Think you know it all? Take the quiz!
Think you know it all? Take the quiz!