Light & Shadows

How can we see light?

• Light travels in wavy lines from a light source. It reflects off an object and enters the eye through the pupil

• Light travels in straight lines from a light source. It reflects off an object and enters the eye through the pupil

• Light travels in zigzag lines from a light source. It reflects off an object and enters the eye through the pupil

• Light travels in straight lines from a light source and into our pupils.

What is a man-made light source?

• Man made light sources are objects like lightbulbs and torches

• Man-made light sources come from the Earth

• Man-made light sources are brighter because of how they are made.

What is the purpose of these light sources?

• These light sources are being used to tell us what is happening.

• These light sources are used to tell us we can walk across a road

• The purpose of these light sources are to let us know we can do something safely.

Why do we get night and day?

• We get night and day because the moon rotates around the Earth

• We get night and day because Earth rotates on an axis around the sun

• We get night and day becasue the Earth rotates on an axis around the moon.

• We get night and day because the sun rotates around the Earth and moon.

3 benefits of the Sun are...

• 1. The sun provides calcium to our bodies.

  2. We like to look at the sun

  3. The UV rays of the sun make our skin happy.

• 1. The Sun helps give our bodies Vitamin D

  2. It helps plants make food

  3. It makes people feel happier

How does the light allow us to see objects?

• The light allows us to see objects by showing us its reflection

• The light allows us to see objects by travelling around the object and into our eye

• The light allows us to see objects by travelling in straight lines, bouncing off an object and that picture being reflected into our eyes.

• The light allows us to see objects by travelling in straight lines, hitting our pupil and then we can see the object.

What does Transparent mean?

• This material allows no light to pass through it

• This material allows some light to pass through it

• This material allows all light to pass through it.

What does Opaque mean?

• This material allows no light to pass through it.

• This material allows some light t pass through it.

• This material allows all light to pass through it.

Why are shadows formed?

• Shadows are formed from the sun

• Shadows are formed when light hits a translucent object and it creates a shadow of the object

• Shadows are formed because rays of light can pass through the objects

• Shadows are formed when an opaque object, blocks all the light from the light source and a shadow is reflected onto the floor

What are light sources?

• Objects or materials that reflect light

• Objects or materials that do not make their own light

• Objects or materials that make their own light

• Black-coloured objects or materials