Light

Light

Open Ended

Define: Sources of light

Multiple Choice

Sources of light are of ______ types.

• 1

• 2

• 3

• 5

Natural sources of light

The sources of light that occur in nature and are not made by man.

Artificial sources of light

The sources of light that are made by man.

It is also called as manmade source of light.​

Multiple Select

Which of the following is/are a natural source/sources of light?

• sun

• moon

• star

• none

Multiple Choice

Which of the following animals are natural sources of light?

• a. glow worms

• b. Fireflies

• c. both a and b

• dnone

Multiple Select

CFLs and LEDs are ______ sources of light

• natural

• artificial

• manmade

• none

Poll

Are artificial and manmade sources of light same?

• yes

• no

Open Ended

What do you mean by non luminous objects?

Draw

Draw one luminous object and name it.

Draw

Draw one non luminous object and name it.

Light

Some text here about the topic of discussion

Open Ended

Give an example natural source of light?

Open Ended

What do you understand by artificial source of light?

Open Ended

What is the another name for artificial sources of light?

Open Ended

Give one example of luminous object

Open Ended

Give one example of non luminous object.

Properties of light

Light is a form of energy.

​

Reflection of light

Replace this with a header

​Dispersion of Light

Multiple Choice

Light is a KIND of ENERGY.

• True
• False

Multiple Choice

Light travels

• around corners
• in a straight line

Multiple Choice

Light bounces when it is 

• reflected
• absorbed
• refracted

Multiple Choice

Light bends when it is 

• refracted
• reflected
• absorbed

Multiple Choice

When a rainbow is formed outside naturally, what causes the light to refract?

• A. Small raindrops

• B. Sunlight rays

• C. Tiny mirrors

• D. Glass prisms

Multiple Choice

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle