Year 8 - Light

In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

Which diagram represents regular reflection?

• A

• B

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal

• double

• half

• none

........... – the angle between the normal and the reflected ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

Tags

NGSS.MS-PS4-2

What is reflection?

• Reflection is the bouncing  of light off the surface that it strikes on.
• Reflection is the absorbing of light off the surface that it strikes on.
• Reflection is the bending of light off the surface that it strikes on.
• Reflection is the scattering of light off the surface that it strikes on.

Tags

NGSS.MS-PS4-2

........... – the angle between the normal and the incident ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

Tags

NGSS.MS-PS4-2

How does light travel

• It curves around corners
• Really slow
• In a straight line
• In circles

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line

Tags

NGSS.MS-PS4-2

Refraction is when light__________.

• Is bounced by an object or material.

• Changes speed as it travels in different materials which causes bending.

• When light speeds up to over 300,000 km/s

Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.

• snow and ice
• air and water
• cloth and wood
• glass and wood

Tags

NGSS.MS-PS4-2