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6.3 Sun, Earth, Moon
Unit Test Review
| Question | Answer |
|---|---|
| Name three feature s that enable Earth to support life… | Distance from the sun, surface structure, magnetic field |
| Earth has a perfect average _______________ and _______________which allows life compared to other planets. | Temperature and surface structure |
| How old is our planet Earth? | 4.5 billion years old |
| How does Earth’s magnetic field protect it from solar winds? | It pushes the solar winds away from Earth. |
| When Earth makes a full rotation every _____ hours which causes…. | 24 hours causing day and night |
| How often do we experience sunrise and sunset? | Daily |
| What causes the sunrise and sunset times to be so predictable? | Earth’s orbit and rotation |
| What moon phase is half way between first quarter and third quarter? | Full moon |
| True or false: The sun ALWAYS illuminates half of the moon. | True |
| Eclipses are caused by patterns in the movement of the _______, ______, and ______. | Earth, sun, and moon |
| A solar eclipse is when the _______ passes in front of the ______ during a new moon phases. | Moon passes in front of the sun |
| If earth had no tilt, there would be no _____________. | Seasons |
| Why does the North American continent experience summer in June? | Earth’s axis is tilted towards the sun. |
| Tides on Earth are mostly caused by the gravitational pull of the _______. | Moon |
| High tides are the highest when… | The sun and moon are pulling in the same direction. |
| What two moon phases create higher high tides? | New moon phase and full moon phase |
| Why do people want to know about the tide levels? | Boaters need to know and sometime power plants can generate electricity using the tides |
| When the sun, earth, and moon are lined up BUT the earth is in the middle, people on earth will view the moon as a ______ moon. | Full moon phase |
| When the sun, earth, and moon are lined up BUT the moon is in the middle, people on earth will view the moon as a ______ moon. | New moon phase |
| During winter in the northern hemisphere is tilted _______ from the sun. | away |
| The season of __________ is between winter and summer. | spring |