Unit 2 Review

The Andromeda Galaxy is the nearest spiral galaxy to the Milky Way Galaxy. Which unit would BEST be used to represent the distance between the Milky Way Galaxy and the Andromeda Galaxy?

• astronomical unit

• light year

• kilometer

• mile

Which of the following is NOT an example of the use of satellites in science?

• wireless communication

• collecting weather information

• studying Earth's features

• collecting samples on other planets

Sarah and her father used their telescope to look at Venus and various stars. The stars looked like tiny points of light while Venus looked much larger. Why?

• There are more stars than planets in our solar system.

• Venus is much closer to Earth than are the stars.

• Stars reflect less light than planets.

• Stars are much smaller than planets.

Tags

NGSS.MS-ESS1-3

The chart shows the average distance in astronomical units between each planet and the Sun. Which planet would make the closest approach to Earth as the planet orbits the sun?

• Mars

• Mercury

• Venus

• Jupiter

Tags

NGSS.MS-ESS1-3

Rachel is learning about electromagnetic radiation that comes from the sun. What types of electromagnetic radiation does the sun emit?

• all types of electromagnetic radiation

• ultraviolet radiation only

• gamma rays and ultraviolet radiation

• infrared, visible, and ultraviolet radiation

Satellite images used to identify forest areas that have been cleared due to logging show show forests appearing cooler and cleared areas appearing warmer are produced using electromagnetic radiation. Which part of the electromagnetic spectrum does Scott’s technology MOST LIKELY use?

• gamma rays

• radio waves

• infrared radiation

• visible light

Tags

NGSS.MS-PS4-2

Carla is learning about types of electromagnetic waves. What is the difference between a microwave and a gamma wave?

• Microwaves are silent and gamma rays are audible.

• Microwaves were invented by humans and gamma waves were not.

• Microwaves are common and gamma waves are rare.

• Microwaves and gamma waves have different wavelengths.

Which of the following lists the waves in the correct order from longest wavelength to shortest wavelength?

• visible light, microwaves, infrared rays, gamma rays

• infrared rays, microwaves, visible light, gamma rays

• microwaves, infrared, visible light, gamma rays

• gamma rays, infrared rays, microwaves, visible light

How is ultraviolet light different from the light emitted by a flashlight?

• Ultraviolet light has a longer wavelength than the light from a flashlight.

• Ultraviolet light is invisible to the human eye.

• Only light from a flashlight can travel through a vacuum.

• Ultraviolet light is brighter than the light from a flashlight.

Which type of radiation do NASA scientists MOST LIKELY use to communicate with the Mars rover?

• infrared waves

• visible light

• X-rays

• radio waves