The Secrets of Light and Shadows

The video tutorial explores the concepts of light and shadow. It explains why we see stars at night but only the sun during the day, highlighting the sun as the primary natural light source. The tutorial also delves into how shadows are formed when the sun's light is blocked by objects, and how the sun's position affects shadow length. Additionally, it includes engaging activities to understand shadows better, using a torch and various objects to create and play with shadows.

Why do we see only one star during the day?

• Because the sun is the brightest star and hides others.

• Because other stars are not present during the day.

• Because the moon blocks other stars.

• Because stars are only visible at night.

What is the primary natural source of light?

• The sun

• The moon

• Stars

• Fire

Why do we need artificial light sources at night?

• Because it is too cold.

• Because the sun is not visible.

• Because stars provide enough light.

• Because the moon is too bright.

What causes a shadow to form?

• Light being blocked by an object

• Light reflecting off an object

• Light passing through an object

• Light being absorbed by an object

At what time of day is your shadow the shortest?

• Evening

• Noon

• Afternoon

• Morning

In which direction is your shadow in the morning?

• North

• South

• East

• West

What happens to shadows when the sun is covered by clouds?

• They disappear.

• They become brighter.

• They become longer.

• They change direction.

What can you use to create fun shadows in a dark room?

• A window

• A candle

• A torch

• A mirror

What does a shadow indicate about the presence of light?

• The light is too bright.

• There is no light nearby.

• There is light somewhere near.

• The light is too dim.