Fourth Grade Science Unit Light

Light travels in...

• straight lines

• spirals

• a backwards direction

• all of the above

Tags

NGSS.MS-PS4-2

Light is...

• how we hear things

• always reflected

• a form of energy

• all of the above

Tags

NGSS.MS-PS4-2

The bending of light is called...

• reflection

• refraction

• opaque

• spectrum

Tags

NGSS.MS-PS4-2

Reflection is when...

• light bends

• a shadow is created

• light is absorbed

• light hits and then bounces off a surface

Tags

NGSS.MS-PS4-2

Opaque materials...

• are clear

• create a dark shadow

• block all light

• creates a dark shadow and blocks all light

Tags

NGSS.4-PS4-2

An example of a natural light source is...

• a firefly

• the sun

• a rainbow

• all of the above

For refraction to occur, there must be...

• 2 transulcent materials

• 2 transparent materials

• a shiny surface

• water

Tags

NGSS.MS-PS4-2

Which statement is true?

• Artificial sources of light are found in nature.

• A light bulb produces more heat than the sun.

• The moon produces a great amount of light and heat.

• Natural light sources usually produce more heat than artificial light sources.

Which object reflects the most light?

• wood table

• mirror

• soft blanket

• none of the above

Tags

NGSS.MS-PS4-2

Which material can light travel through, but scatters in different directions?

• refraction

• transparent

• opaque

• translucent

Tags

NGSS.MS-PS4-2