| A | B |
| the compound WATER is made of which elements | hydrogen and oxygen |
| Oxygen (O) is an example of an | element |
| an example of a chemical change would be | a glow stick |
| 4 most common elements on Earth are | carbon, hydrogen, oxygen, nitrogen |
| a major DISADVANTAGE of a nuclear power plant is | radioative wastes |
| this is NOT a good way to save energy | turning the air conditioner down to 60 in the hot summer |
| an example of kinetic (moving) energy is | rolling a bowling ball |
| an example of convection is | drying boots over a hot-air vent |
| a MOVING car has__energy and a STOPPED car has___energy | KE/PE |
| a large planet has more | mass and gravity |
| as the mass of a planet INCREASES | the power needed to escape INCREASES |
| conductivity means | electricity will flow through easily |
| an example of something with conductivity is | aluminum (metal) |
| an unbalanced force will move an object | in the direction of the stronger force |
| Earth's lithosphere is made of huge sections called | plates |
| limestone is formed from | deposits from the ocean |
| you must know the 6 different tectonic plates on the map!!!! | african, australian, eurasian, pacific, n. american, s. american |
| the most basic unit of life is a | cell |
| cells that have a nucleus are | eukaryotic |
| the 3 recognized domains are | archaea, bacteria, eukarya |
| plants (producers/autotrophs) | make their own food |
| an example of BIOTIC factors are | animals |
| the African Savannah/Grasslands is an example of an | ecosytem |
| the planets in order are: | mercury, venus, earth, mars, jupiter, saturn, uranus, neptune |
| the asteriod belt is | between mars and jupiter |
| Pluto is | smaller than Earth |
| Pluto takes | longer to travel around the sun |
| A ____ is made from gas, dust, and ice | comet |
| how long does it take Earth to go around the sun | 365 days (1 year) |
| Which planet has 4 moons (europa, callisto, ganymede, io) | jupiter |
| an astronaut's space suit CANNOT | monitor the rocket fuel on the shuttle |
| difference between a moon and planet | moons orbit planets; planets do NOT orbit moons |
| objects with more mass have | stronger gravity |
| with NO gravity, an object will have | NO mass |
| _____has NOT been visited by NASA | pluto |
| Russia and the US HAVE | sent humans into space |
| which planet has the best atmosphere for life | earth |
| the largest part of Earth, living matter, oceans, and atmosphere is made of | a limited number of many known elements |