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Chapter 12
| Question | Answer |
|---|---|
| the ___________ diameter is more than 100 times greater than Earth's diameter | Sun's |
| in the Sun, atoms combine during ______________ producing huge amounts of energy | nuclear fusion |
| Some of the Sun's energy reaches Earth as thermal energy and ________ | light |
| ___________ is the movement of one object around another object | Revolution |
| the path a revolving object follows is its | orbit |
| it takes approximately one _______ for earth to make one revolution around the Sun | year |
| Earth moves around the Sun because of the pull of _______ between Earth and the Sun | gravity |
| The force of gravity between two objects depends on the ________ of the objects and how far apart they are | mass |
| The __________ of an object is its spinning motion | rotation |
| the line around which an object rotates is the | rotation axis |
| Looking at Earth from above the North pole, Earth rotates in a _____________ direction from west to east | counter clockwise |
| Earths rotation makes the Sun appear to rise in the _______ | east |
| it takes one_________ for earth to complete one rotation | day |
| Earth's rotation axis is always _______ in the same direction | tilted |
| The Sun shines on the part of the Earth that ___ the Sun | faces |
| When light shines on a tilted surfae, the light is more _____ ___ than it would be on a surface that is not tilted | spread out |
| Because of the tilt of Earth's axis, Earth's surface becomes more tilted as you move away from the ________ | Equator |
| As a result of this tilt, regions of Earth near the ______ recieve less energy than regions near the _______ | poles, equator |
| Earth's ____ change in a yearly cycle because of the tilt of its rotation axis and Earth;s ______ around the Sun | seasons, motion |
| The end of Earth's _____ that is tilted toward the Sun receives more energy from the Sun | axis |
| The part of Earth tilted toward the Sun experiences seasons of spring and ______. If the northern end of Earth's axis leans toward the Sun, it is spring or summer in the ______ hemisphere | summer, northern |
| The part of Earth tilted away from the Sun experiences seasons of autumn and _____. If the southern end of Earth's axis leans toward the Sun, it is fall or winter in the ________ hemisphere | winter, northern |
| Solstices occur _________ each year | twice |
| The June solstice is the first day of _____ in the northern hemisphere | summer |
| On the December solstice, the _________end of Earth's rotation axis leans the most away from the Sun | north |
| During its revolution, Earth's axis does not lean toward or away from the Sun during an ______ | equinox |
| The September equinox marks the first day of_______ in the southern hemisphere | spring |
| the march equinox marks the first day of ________ in the northern hemisphere | spring |
| The sun's apparent path through the sky in the northern hemisphere is___________ near the June solstice and ____________ near the December solstice | highest, lowest |
Created by:
jadechristensen