click below
click below
Normal Size Small Size show me how
Science Midterm
Grade 9 Science Midterm (Space and Chemistry)
Question | Answer |
---|---|
What is a meteorite? | A stony or metallic mass that has fallen to the Earth's surface from outer space. |
What is a meteor? | A meteoroid that enters Earth's atmosphere and burns up as it collides with gas molecules. |
What is a constellation? | Groups of stars that seem to form shapes or patterns. |
The Big Bang Theory | States that the universe was created after an "infinitely dense point suddenly and rapidly expanded in a single moment". |
Edwin Hubble's Findings | 1) Many other galaxies exist beyond the Milky Way. 2) Almost all galaxies are moving away from each other. |
Rocky Planets | MVEM: Mercury, Venus, Earth, and Mars. |
Gas Planets | JSUN: Jupiter, Saturn, Uranus, and Neptune |