Which of the following is a source of light?

Which of the following is a man made source of light?

Which is a natural source of light?

How does light travel?

Which of these is not a source of light?

How is a shadow created?

What does "transparent" mean?

What does dark mean?

Light travels in ________________ lines.

We can see an object because the ____________ enters our eyes.

Tissue paper is _____________ which will let some light pass through it.

Wood and cardboard are _____________ objects, which light cannot travel through.

When an object blocks out the light, a ________________ is formed.

Shadows are ______________ at midday.

Shadows are ____________ at the end of the day.

An example of an opaque object is

A translucent object is

A transparent object is

Which of the following is not opaque?

The closer the source of light, the _________ is the shadow.

A dark shape formed when an opaque object is placed in the way of light is called _________.

Shadows do not depend on the ________ of the object.

Materials that allow light to pass through them are called ___________ materials.

Shadow is formed on the ___________ side of the source of light.

Identify translucent material from the following.

_________ is the form of energy that helps to see objects.

A ____________ or screen is needed to obtain a shadow.

The colour of the shadow depends on the colour of ___________.

Light travels in a ____________.

The shadow gets ___________ when screen is moved away.

Shadows are longer during winter than in ___________.

Light takes around _______ minutes to travel from the sun to the Earth.

__________ objects cast dark shadows.

A shadow only shows the _______ of an object.

The closer the screen , the _________ is the shadow formed.

What is needed to cast a shadow ?

Which of the following is a non -luminous object?

Which one of the following is a natural light source?

How can we see the moon at night?

Shadows are best formed when light is _____________ by an object that is ____________.

Select the term that best describes the picture

Select the term that best identifies the picture.

Which of the following diagrams shows the angle that light will reflect off a mirror?

A shiny piece of metal will __________ light.

Which description most accurately describes how the person sees the apple?

Light can travel through space.

The moon is a light source.

Stars shine because they reflect the Sun's light.

Describe how the size of a shadow changes as an opaque object is moved further away from the light source of a ray of light.

Lets no light through.

Lets some light through.

Lets almost all light through so things can be easily seen.

Q1. Diagram shows a phenomenon occurs when the spotlight is directed onto a mirror surface. What is the principle of light shown in the situation?

What is the main source of light?

When the Sun is behind you, your shadow is ...

There is light on the Earth even on a dark, cloudy day. This is because clouds are:

The sun in the early morning can cause buildings to form shadows. This shadow will be:

A man is sitting on a chair in a dark room near one of the walls. A big mirror is hung on the wall facing the man. When a torch light is put on the man from a distance, then we can see 'X' of the man behind him. At the same time, 'Y' can be observed in the mirror of the wall.

Identify X, Y

Wax paper is an example of

Opaque materials allow some light to pass through

We can partly see through a translucent material

We can partly see through a transparent material.

Light emission is when light bounces off a material.

Which of the following statements is true?

Which of the following statements is true?

Which of the following statements is true?

Only opaque materials make shadows.

Where do shadows come from?

What can effect the size of a shadow

This picture shows the shadow of a tree in the morning. Which of the following pictures shows the shadow of the tree at around sunset?

Based on the shadow that you see in this image, at what time of day was this picture taken?

Based on the picture seen here, at which part of the sky would the sun be located in?

Jared wants to make a shadow on the wall opposite the window. Where would he need to stand to accomplish this?

Where is the light source in the following image?

Moonlight is caused by

Safety reflectors are used on highway signs and streets. How do they work?

Which of the following statements is true regarding light reflectors and light emitter?

What does this picture show?