What Is Light

Light travels in a(n) _____________ path unless it comes in contact with another object.

• wavy

• round

• straight

• unpredictable

What is an example of natural light?

• light bulb

• flashlight

• sun

Light is an

*Hint - pg. 241

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What makes up electromagnetic waves?

• electrical and magnetic energy

• electrical and heat energy

• heat and chemical energy

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The kind of light we can see is

White light, such as light from a lamp or sun, is a blend of several colors.

• True

• False

Light energy travels from its source in ______.

• waves

• straight lines

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NGSS.MS-PS4-1

What is the speed of light in a vacuum?

• 299,792 km/s

• 150,000 km/s

• 1,080,000 km/s

• 300,000 km/s

Which of the following is a property of light?

• It can travel through a vacuum

• It requires a medium to travel

• It is a form of matter

• It is always visible

What phenomenon explains the bending of light as it passes from one medium to another?

• Reflection

• Refraction

• Diffraction

• Dispersion

Tags

NGSS.MS-PS4-2