Science Quiz

Which of the following are true about scientific models?

• It is possible to have multiple perspectives for the same phenomena.

• Models can be changed or revised with new data or observations.

• Models are used to communicate ideas for explanations or predictions.

• All of the above

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS1-4

John and Justin are playing hide and seek at home. From the back of a room John says he can see Justin around the corner in the next room, on the other side of a brick wall. Assume there is plenty of light, no reflective surfaces and no shadows. Is this possible? Explain your answer with detail and all components.

Tags

NGSS.MS-PS4-2

You are in the middle of playing with a basketball in your bedroom when the power goes out. You grab a flashlight to find the basketball on the floor. Which of the following best explains why you are able to see the basketball in the dark with a flashlight?

• Light is given off by the basketball that goes into your eye so you can see it.

• Light from the flashlight goes into your eye, then your eye is able to see the basketball.

• Light from the flashlight travels to the basketball, and bounces back into your eye so you can see it.

• Both A and B are correct.

• None of the above are correct.

Look at the picture to the right. What is wrong with the shadow of the person?

• The shadow is facing the wrong direction. It should be away from the sun, not towards it.

• The person has one arm raised but the shadow doesn’t.

• The shadows of the mountains are on the wrong side.

• Both A and B

Tags

NGSS.5-ESS1-2

Which of the students above will have the least amount of light hit their eyes? Students are copying their homework assignment from the blackboard in their dimly lit classroom. Some students are wearing eyeglasses, one student is wearing dark sunglasses, and some are not wearing anything over their eyes at all.

• The students with nothing on their eyes because air allows for the smallest amount of light to reach the eyes.

• The students with eyeglasses because eyeglasses will scatter the light, allowing less light to reach the eye.

• The student with the dark sunglasses since much of the light that hits the sunglasses is absorbed and only a small amount is transmitted to the eye.

Tags

NGSS.MS-PS4-2

Which of the following is true if light shines on a rough surface?

• The surface reflects most of the light.

• The surface scatters most of the light.

• The surface absorbs most of the light.

Tags

NGSS.MS-PS4-2

Why do we see the moon shining in the sky at night?

• Sunlight scatters off the moon’s surface, and some of that light reaches our eyes.

• The moon creates its own light, which reaches our eyes.

• Light from other stars in space scatters off the moon’s surface, and some of the light reaches our eyes.

• Light from the Earth reflects off the moon’s surface and back to our eyes.

Tags

NGSS.MS-ESS1-1

Light spreads from a source in ____________________ in all directions.

Explain the different light readings from the mirror and paper.

• Position 3 for the mirror is the highest because the flashlight and light sensor are both pointing at the same angle, but on opposite sides of the mirror.

• All readings for the white paper are relatively similar because of how light scatters on paper.

• White paper is able to reflect more light for all positions because it is a more reflective surface than a mirror.

• Both A and B

• Both A and C

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

It is a sunny summer day and you are walking barefoot. You notice that the blacktop road is hotter than the concrete sidewalk. Why?

• The darker road absorbs more sunlight than the light sidewalk.

• The dark road reflects more sunlight than the light sidewalk.

• The dark road reflects less sunlight than the light sidewalk.

• The dark road absorbs less sunlight than the light sidewalk.