Light and Shadows - Grade 3

What is the primary source of light in our solar system?

• Jupiter
• Mars
• Sun
• Moon

Identify the material that allows light to pass through it completely.

• Wood

• Glass

• Metal

• Brick

Which of the following objects is non-luminous?

• Candle

• Flashlight

• Moon

• Sunflower

When light passes through a prism, it __.

• Reflects

• Splits into colors

• Disappears

• Bends

A shadow is formed when light is ____ by an object.

• Blocked

• Reflected

• Absorbed

• Scattered

Identify the transparent material from the options.

• Paper

• Cardboard

• Plastic

• Aluminum

Assertion: Shadows are shorter in the morning. Reason: The sun is lower in the sky during the morning.

• Shadows are longer in the morning because the sun is higher in the sky.
• Shadows are shorter in the morning because the sun is closer to the earth.
• Shadows are longer in the morning because the sun is farther away from the earth.
• Both the assertion and the reason are correct and related.

Which material allows only some light to pass through it?

• Cardboard

• Frosted glass

• Clear plastic

• Aluminum foil

What is the color of shadows in the presence of white light?

• Black

• Blue

• Red

• Green

Which of the following objects is most likely to be opaque?

• Glass of water

• Air

• Wooden door

• Plastic bottle