SC 7 N 3 1

What is the name of the object that can be seen in the circled area of the sun?

• sunspot

• solar flare

• gamma rays

• prominence

What is the order of the distances of the terrestrial planets from the Sun, from farthest to closest?

• Mars, Venus, Earth, Mercury

• Mars, Earth, Venus, Mercury

• Mercury, Venus, Earth, Mars

• Venus, Earth, Mars, Mercury

Tags

NGSS.MS-ESS1-3

When you listen to the radio, watch TV, or cook food in a microwave, you are using a device that makes use of man-made electromagnetic waves. Which statement about electromagnetic waves is false?

• Electromagnetic waves travel at the speed of light in a vacuum.

• Electromagnetic waves need a medium to travel through.

• Different wavelengths of light are interpreted by our eyes as different colors.

• The transfer of energy as electromagnetic waves is called electromagnetic radiation.

Electromagnetic energy is classified by the length and frequency of its wave. Which form of electromagnetic energy has the shortest wavelength?

• radio waves

• gamma rays

• infrared waves

• ultraviolet waves

Tags

NGSS.HS-PS4-1

Imagine a scientist detects an electromagnetic wave with a higher frequency than that of most gamma-ray waves. The scientist calls these waves delta rays. Which of these statements would be true of delta rays?

• Delta rays would travel faster than most gamma rays.

• Delta rays would have more energy than most gamma rays do.

• Delta rays would have a longer wavelength than most gamma rays have.

• Delta rays would have the same wavelength as most gamma rays.

Tags

NGSS.MS-PS4-1

Which of these is evidence that an unbalanced force is acting on an object?

• The mass of the object is changing.

• The object remains at rest.

• The motion of the object is changing.

• The object continues moving in a straight line at constant velocity.

Tags

NGSS.MS-PS2-2

What is an explanation for how something occurs and it is supported by evidence?

• law

• theory

• hypothesis

• conclusion

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

What do scientists look for either in the field or in the lab?

• empirical evidence

• law

• theory

• hypothesis

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

What is a basic principle that applies everywhere and in all situations is best described as...

• law

• theory

• conclusion

• hypothesis

Which of the terrestrial planets has the densest atmosphere?

• Earth

• Mars

• Venus

• Mercury