Chapter 28 The Moon part A

The spin of an object around its axis is called a?

• revolution

• equinox

• rotation

• solstice

Dark flat areas on the moon made from lava flows 3 to 4 billion years ago.

• crater

• mare

• highland

• mountains

large round pits on the moon created by meteoroid impacts

• craters

• highlands

• mare

• maria

Light colored surface features on the moon that were created by material that was ejected from meteoroid impacts.

• craters

• highlands

• mare

• maria

What layer of Earth is the moons density most comparable to?

• mantle

• inner core

• lithosphere

• outer core

A ______ telescope uses a mirror to focus light onto a small area.

• reflecting
• refracting
• radio
• spectrum

What does Refracting Telescope have?

• Sand
• Mirrors
• Lens
• Batmobile 

Electromagnetic radiation is simply known as 

• light
• refraction
• reflection
• time

Interferometry is a system used to improve the resolution of radio or other telescopes.

• True

• False

What is a wave length

• distance between peaks on a wave

• # of waves that pass a given point per second

• how long the wave length line

• distance between numbers on a wave