What is Light Science 8 - Lesson 1 ✔

What is light considered as?

Light travels in straight lines called ______.

Which part of the electromagnetic spectrum can the human eye see?

What is the term used for light as a kind of energy?

Other animals and insects can see parts of the spectrum that humans cannot. True or False?

What is the speed of light?

How long does it take for light from the Sun to reach Earth?

If you tried to drive to the Sun at 100 km/h, it would take you __ years to get there.

In one second, light can go around the Earth how many times?

When you turn on a light, why can't you see the light waves moving?

Why does space not have any light?

In space, if you look at the sun, you would see a brilliant white light, but if you looked away, you would see ______.

What is true about infrared light?

Sunlight can penetrate the oceans up to how many meters deep?

The light from the sun travels in a straight line without ______ and all the colors stay together.

What is the range of wavelengths that the human eye can detect in the visible light spectrum?

Electromagnetic waves can travel through the emptiness of space at the speed of ____.

Which of the following is true about electromagnetic waves?

Some animals, like mosquitos, can see which type of light?

Humans release mostly ____ radiation, which is electromagnetic radiation with a longer wavelength than visible light.

What is the primary reason we see matter in color?

Which part of the electromagnetic spectrum is visible to the human eye?

Fill in the blank: The energy from material objects is sent in waves through magnetic fields in the form of ______.

What is the range of wavelengths for visible light in nanometers?

Fill in the blank: Each photon has a ______.

What is the wavelength range of the visible light spectrum?

If the wavelength of light is around 700 nanometers, what color will the matter appear?

Fill in the blank: If the wavelength is between 600 and 700 nanometers, the color will be a ________ orange.

Which color corresponds to a wavelength of around 600 nanometers?

True or False: The electromagnetic waves in the visible spectrum are discrete and do not blend together.

What is one of the properties of light?

Light travels in a _______ path.

What happens when light hits an object?

If light could bend, what would happen?

We can witness the property of light traveling in a straight path by examining a _______.

What happens when light is absorbed by a material?

Which material is an example of one that absorbs light instead of reflecting it?

Darker colors absorb light while lighter colors ______.

Why is the sky blue?

The angle of light hitting a material affects its ability to ______.

What is the process called when light bends as it passes through an object?

When light hits a diamond or water, it can go through the material and ______.

Which of the following is an example of light refraction?

Light can sometimes go through an object and bend at an angle. This property is known as ______.

What happens to light when it hits an object like water?