| A | B |
|---|
| How many steps are in the scientific method | at least 5 |
| what are hypothesis based on | early observation |
| why do we do experiments | to prove your hypothesis is true or false |
| Do we always have experiments that are correct? | no, we may have to do it again |
| natural resource | something that comes from the earth |
| fossil fuel | energy that came from living things of the ancient past |
| renewable energy resources example | sun |
| weathering | physical and chemical breaking down |
| erosion | being worn away |
| continental drift | where large land broke apart 250 million years ago and drifted slowly away from each other to where they are now as continents |
| the different parts of the earth's layers | crust, mantle, inner core, outer core |
| moon phases | new moon, waxing crescent, waning gibbous, full moon, first quarter, third quarter |
| what causes day and night | the rotation of the earth on it's axis |
| revolve | the time it takes for earth to go around the sun is 365 days |
| lunar eclipse | when the moon is behind earth making a shadow |
| the shape that Earth travels around the sun in orbit | sphere |
| cold front | warm air followed by cold air |
| what is a warm front | cold air followed by warm air |
| climate | pattern of weather |
| weather | temperature, precipitation, wind |
| isobars | lines connecting areas of equal air pressure on a weather map |
| three main classifications of rocks | sedimentary, igneous, and metamorphic |
| contour maps | height of land |
| what causes an earthquake to occur | two blocks of earth slide past each other |
| what causes a volcano to occur | pressure builds up under the ground and magma heats up |
