8.4

Refer to the image. Observe the light passing through three layered materials and bending at each boundary. Rank the three materials in order of increasing index of refraction.

• A < B < C

• B < C < A

• A = B < C

• C < B < A

• C < A = B

Tags

NGSS.MS-PS4-2

Which of the following shows the principle of light refraction? Tick the correct answers.

• A

• B

• D

• E

• F

Tags

NGSS.MS-PS4-2

We can see objects because of_______

• reflection

• refraction

• transmission

• diffraction

Tags

NGSS.MS-PS4-2

When does light get refracted?

• When light travels in a straight line

• When light is bounced

• When light travels in two different mediums

• When light cannot pass through an opaque object

Tags

NGSS.MS-PS4-2

Q1. What is the phenomenon of light bending when it passes through different mediums?

• A) Reflection

• B) Refraction

What is it called when the Earth moves on its axis once a day?

• Revolution

• Rotund

• Rotation

• Rigatoni

Tags

NGSS.MS-ESS1-1

What is it called when Earth does a complete circle around the sun?

• Revolution

• Rotund

• Rotation

• Rigatoni

Tags

NGSS.MS-ESS1-1

If you were going to draw a model of day and night, what celestial objects would you need to include?

• A lamp and a sphere

• The Sun, the Earth and the Moon

• The Sun and the Moon

• The Sun and the Earth

Tags

NGSS.MS-ESS1-1

What causes seasons on Earth?

• The Earth's tilt causes the side that is pointing towards the sun to have summer.

• The Earth is closer to the sun in the summer and farther from the sun in the winter.

• The Earth's axis changes the degree of tilt which causes the seasons.

• The Earth orbits the sun in a day.

Tags

NGSS.MS-ESS1-1

Why is there a star that doesn't appear to move in the sky?

• Because our axis points directly at it

• Because it is far enough away that we don't see it move

• Because it is following the same path that Earth is through space

• Because it is Nog

Tags

NGSS.MS-ESS1-1