Persh Astro 3 and 4 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
What does the Torino scale? | the sytem used to rate the hazard level of an object moving towards Earth. |
Why do they study smaller objects in our solar system like comets and asteroids? | They have not changed since the solar system was formed |
What layer lies just below the crust? | Mantle |
How are inner planets and outer planets different? | they are closer together |
What is the effect of distance a planet is from the sun? | The closet a planet is to the sun, the faster it travels around the sun. |
What is the sun powered by? | nuclear fusion |
What happens during nuclear fusion in the sun? | Hydrogen nuclei combine to form helium |
What is unusual about Pluto's moon? | It's more than half of Pluto's size |
How do planets move if they are closer to the sun? | faster |
The Earth's revolution is about how long? | 365 days |
Which scientist made discoveries about motion of planets? | Johannes Kepler |
Which group of planets does Earth belong to? | the inner planets |
Which planets do not have natural satellites (moons)? | Mercury and Venus |
What tool made finding planets easier? | the telescope |
What bodies in the solar system collided to form Earth and other planets? | planetesimals |
What is Venus sometimes called Earth's twin? | Venus and Earth are similar in size and density |
Name one factor that makes life possible on Earth? | liquid water on surface |
How do scientists think oceans formed? | Millions of years of rainfall |
What is the largest planet in our solar system? | Jupiter |
What causes the moon phases? | the positions of the moon, Earth and sun |
What does a planet with a large orbit have? | long period of revolution |
What layer of the Earth is the center-most layer? | Core |
Why do active planets show fewer impact sites than our moon? | Geological activity removes their effects |
What is the current theory about the origin of our moon? | a large body impacted Earth and blasted some of its mantle into space to form the moon |
How are gas giants different from terrestrial planets? | they are made mostly of gas |
What number planet is Saturn and Venus? | Saturn is 6 Venus is 2 |
Between which two planets is the asteroid belt located? | 4 & 5 |
What is a nebula? | a large cloud of gas and dust |
What gas is added to the atmosphere during photosynthesis? | oxygen |
What is a sunspot? | a cooler area of the photoshere that may affect the climate |
When you plant a garden, where do we get the soil from? | crust |
Our solar system was formed from this... | a cloud of dust called the Solar Nebula. |
What layer of the sun do we see? | photosphere |
What kind of rotation does Venus have....which means it appears to go clockwise direction? | retrograde |
What are satellites? | natural or artificial bodies that orbit larger bodies |
What do some scientists call the dirty snowball? | comets |
What do we call a counterclockwise spin of a planet? | prograde |
In relation to the moon phases...what do waxing and waning mean? | waxing - the lit size is getting larger waning - the lit size is getting smaller |
Know how to label the phases of the moon. | |
Created by:
ellist
Popular Science sets