Understanding Rainbows and Light

The video explains the science behind rainbows, detailing the seven colors visible in a rainbow and how white light is composed of these colors. It demonstrates how a prism can break white light into its constituent colors, similar to how raindrops in the sky create rainbows by acting like prisms. The video also promotes a website for more science videos and educational resources.

What is the main purpose of the website mentioned in the video?

• To sell science equipment

• To provide free science videos

• To offer online science courses

• To host science competitions

How many colors are there in a rainbow?

• Eight

• Seven

• Six

• Five

Which of the following is NOT a color in the rainbow?

• Violet

• Indigo

• Pink

• Red

What is white light made of?

• Seven different colors

• Infinite colors

• Three primary colors

• Only one color

What tool is used to break white light into its component colors?

• Filter

• Lens

• Prism

• Mirror

What happens when white light passes through a prism?

• It splits into seven colors

• It speeds up

• It changes direction

• It becomes invisible

What natural phenomenon acts like a prism to create rainbows?

• Sunlight

• Raindrops

• Wind

• Clouds

Why do rainbows appear only on cloudy days?

• Because the sky is darker

• Because there are more raindrops to break sunlight

• Because the air is cooler

• Because the sun is not visible

What is the role of raindrops in the formation of rainbows?

• They reflect sunlight

• They act like prisms and break sunlight

• They absorb sunlight

• They block sunlight

Which of the following statements is true about rainbows?

• Rainbows are formed by raindrops acting like prisms

• Rainbows are visible only when it rains

• Rainbows are made of only one color

• Rainbows can be seen at night