Ch.11 Vocab 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
Term | Definition |
asteroid | Small rocky bodies in our solar system, they orbit the sun |
axis | An imaginary line through earth extending from the north pole to the south pole |
black hole | A large sphere of tightly packed material with an extraordinary amount of gravitational pull |
comet | A small body made up of rocky material and ice that occurs in the Kuiper Belt and the Oort cloud |
doppler effect | an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other. |
Fusion | the process or result of joining two or more things together to form a single entity |
interstellar matter | The material that fills space |
light-year | The distance at which light moves 300,00km/s travels in a year equals about 9.5 trillion km |
parallax | The apparent shift of an object against a stationary caused by the change of position of the observer |
planet | a celestial body that orbits one or more stars with its own gravitational pull |
revolution | The motion of earth as it orbits the sun at 30km/s |
rotation | The motion of earth as it spins on its axis from east to west at 1670km/h |
solar system | A group of planets circling one or more stars |
star | A celestial body of hot gasses with a core like a furnace |
supernova |
Created by:
bdogdafrog
Popular Science sets