click below
click below
Normal Size Small Size show me how
Space Unit
| Question | Answer |
|---|---|
| Moon is completely dark | New Moon |
| Moon is completely lit | Full Moon |
| Only a slither of moon is lit | Waxing Cresent and Waning Cresent |
| Only a slither of moon is dark | Waxing Gibbous and Waning Gibbous |
| Half moon dark and half lit | First and last quarter |
| What does Earth have more off than any other planet in the solar system? | liquid water |
| Since the sun heats the Earth unevenly, what does it do to the Earth? | poles cold and the tropics hot |
| Why are the tropics hot? | it faces more directly toward the sun |
| Which plantet is nearest the sun? | Mercury |
| Which planet is farthest from the sun? | Pluto |
| Name the planets in order. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto |
| What does it take Earth one day to do? | make a complete rotation on its axis |
| Which planet is smaller than Earth? | Mercury |
| What does the Earth do to the sun when it goes around it? | revolves |
| What does the moon do the the Earth when it goes around it? | revolves |
| What would be different with a rock it it were on the moon or Earth? | mass |
| Why does the Earth have seasons? | its tilted on its axis |
| What were the first instruments used to explore outer space? | telescopes |
| Which plantets orbit farther- inner planets or outer planets? | inner planets |
| What are inner planets? | planets close to the sun |
| What is the North Star also known as? | Polaris |
| What has the North Star been used for? | navigation aid |
| What produces most of the light, energy, and heat in the solar system? | sun |
| What is bigger than any of the planets or moons in the solar system? | sun |
| What are sunspots? | dark areas on the surface of the sun |
| Why are sunspots darker? | cooler than the rest of the sun's surface |
| What example would describe the sun's energy warming the Earth? | heat lamp keeping food warm |
| What is the sun made of? | huge mass of gases |
| What is the sun is the original source of? | fossil fuel |
| Why is the sun an original source of fossil fuel? | organisms that died long ago depended on the sun for energy |
| What produces solar energy? | Fusion |
| How does the energy from the sun travel? | waves |
| What is the surface of the sun called? | photosphere |
| What is the atmosphere of the sun called? | corona |
| What is the brightness of a star called? | magnitude |
| What do you call how bright the star appears from Earth? | Apparent magnitude |