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earth science review
review for midterm exam
| Question | Answer |
|---|---|
| What causes the earth's shape? | the earth's rotation |
| Describe the earth's shape. | slightly flat at the poles and bulging at equator |
| What do Meteorologists, Astronomers,Gelogists, and Oceanographers study? | Meteorologists study earth's weather climate, astronomers study the universe with telescopes, geologists study land formations and earth's interior, and oceanographers study the oceans. |
| Density is what? | Mass divided by volume |
| What are some safe lab practices? | Letting teachers pick up glass, picking up hot equipment with padded gloves or tongs, never smelling liquids, never leaving an area with hot beakers, using pyrex glassware for heating and wearing safety goggles. |
| How many degrees are there in a circle? Hoe many km around earth are there? | 360 degrees in a circle. 50,074 km around earth's equator |
| States of matter. | Solid, liquid, gas, and plasma |
| An element is the simplest type of what? | Pur substance. An atom is the building block of matter. |
| O is the symbol for what element? | Oxygen |
| He is the symbol for what? | Helium |