Sources of light

Name one example of a natural light source.

• The sun

• A flashlight

• A light bulb

• A candle

What is the main source of natural light on Earth?

• The Sun

• Artificial satellites

• Fireflies

• Molten lava

What is an artificial light source?

• A device that absorbs light from the sun.

• An artificial light source is a man-made device that produces light.

• A type of plant that emits light during the night.

• A natural light source found in the environment.

Give an example of an artificial light source.

• Light bulb

• Fire

• Sunlight

• Moonlight

Can you name a place where you might see fire as a light source?

• Streetlight

• Flashlight

• Neon sign

• Campfire

What are some advantages of using electric lights?

• Advantages of using electric lights include instant illumination, energy efficiency, longer lifespan, and ease of control.

• Limited color options

• High maintenance costs

• Frequent bulb replacements

How does sunlight help plants grow?

• Sunlight helps plants grow by providing the energy needed for photosynthesis.

• Sunlight provides nutrients directly to the roots.

• Sunlight helps plants by repelling pests and diseases.

• Sunlight cools the soil, preventing plant stress.

What is the difference between natural and artificial light?

• Natural light comes from the sun; artificial light is man-made.

• Natural light is produced by light bulbs.

• Natural light is always brighter than artificial light.

• Artificial light is only found in nature.

Why is the sun important for life on Earth?

• The sun is a source of water for plants.

• The sun causes all weather patterns to be the same.

• The sun is important for life on Earth because it provides energy for photosynthesis, regulates climate, and supports ecosystems.

• The sun is primarily responsible for the Earth's magnetic field.

Which of these is an artificial source of light?

• Jellyfish

• Fireworks

• Molten lava

• Squid