Light and Shadows Quiz

What is light?

• D. Mechanical energy

• C. Heat energy

• B. Electromagnetic energy

• A. Sound energy

What is the speed of light?

• B. 300,000 km/s

• A. 200,000 km/s

• D. 500,000 km/s

• C. 400,000 km/s

When does the length of the shadow become the shortest?

• C. In the afternoon

• B. At midday

• A. In the morning

• D. When the sun sets

What happens to the length of the shadow as the Sun rises until midday?

• A. It becomes longer

• B. It becomes shorter

• C. It remains the same

• D. It disappears

What causes shadows to form?

• D. Absorption of light by a solid object

• C. Blocking of light by a solid object

• B. Refraction of light

• A. Reflection of light

What is the color of the sky during a clear day?

• Blue

• Red

• Green

• Yellow

What is the primary source of light during the day?

• Moon

• Sun

• Stars

• Fire

What is the shape of the Earth?

• Flat

• Oval

• Round

• Square