Week 14

1. Which of these does not emit light waves?

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NGSS.4-PS4-2

2. According to the table, sound travels fastest through matter that —

• Can evaporate easily

• Has no definite shape

• Has particles that are close together

• Has particles that move quickly

Tags

NGSS.MS-PS4-2

3.  Sound is a type of mechanical energy that is transmitted in the form of —

• A. Waves

• B. Light

• C. Heat

• D. Electrons

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

4. Which of these will change solid iron to a liquid?

• A. Raising the air pressure

• B. Increasing its temperature

• C. Crushing the solid iron

• D. Adding water to the iron

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

5. The lacewing is a common small insect.  The graph shows the breeding period of one species of lacewing. During what season would most of these lacewings breed?

• A. Winter

• B. Summer

• C. Spring

• D. Fall

Tags

NGSS.MS-LS1-5

6.  By August, a student noticed that the sunflowers outside his house were as tall as the back door of his house. About how tall were the sunflowers?

• A. 0.2 meters

• B. 2 meters

• C. 20 meters

• D. 200 meters

7. Which of the following would reflect rather than refract light?

• A. Magnifying glass

• B. Mirror

• C. Prism

• D. Lens

Tags

NGSS.MS-PS4-2

8.  Which of these is the most accurate reading of the mass of the rock on the balance scale pictured?

• A. 33 grams

• B. 120.3 grams

• C. 123 grams

• D. 303 grams

9.  The table above compares some facts about Venus with some facts about the planet Earth. How are the two planets most different?

• A. Diameter

• B. Mass

• C. Density

• D. Surface temperature

10. About 400 years ago, Galileo became the first person to record what the moon looked like through a telescope. He was able to tell that the moon had —

• A. Many craters

• B. Plants but no animals

• C. Active volcanoes

• D. Polar ice caps