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The paths that planets follow around the sun are called _____
and they are shaped like an ellipse.
and they are shaped like an ellipse.
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One complete rotation of a planet is called a _____
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Science test
| Question | Answer |
|---|---|
| The paths that planets follow around the sun are called _____ and they are shaped like an ellipse. | orbits |
| One complete rotation of a planet is called a _____ | day |
| Telescopes that use lenses for focusing light are called _____ telescopes. | refracting |
| The Italian scientist who first used a telescope to study astronomy was _____ | Galileo |
| The light-gathering ability of a reflecting telescope depends on its _____ | mirrors |
| The point in the sky which is directly overhead is called the _____ | zenith |
| The heliocentric theory was first proposed by _____ | Copernicus |
| Altitude is the angle measured above the _____ | horizon |
| True or false A scientist should be willing to change his or her theory if the evidence does not support it. | True |
| True or false The universe is made up of billions of galaxies separated by huge distances. | True |
| True or false The moon will always appear over the eastern horizon at the same time each night. | False |
| True or false Modern science has a scientific explanation for the origin of energy. | False |
| Light travels about: | 180,000 miles each second |
| You may locate the north star by _____. | finding the end star in the Little Dipper |
| It is now known that the celestial objects which appear to move backwards among the stars are _____. | planets |
| Where would you see Polaris if you were at the equator? | on the north horizon |
| he discovered details of a lunar surface | Galileo |
| he invented first reflecting telescope | Newton |
| he found planets had elliptical orbits | Kepler |
| he performed a systematic mapping of sky | Brahe |
| uses a large glass lens | refracting telescope |
| uses a mirror to focus light | reflecting telescope |
| tool used to determine location of a star | astrolabe |
| instrument that accumulates light from an object to show more detail | camera |
| records sounds of stars | radio telescope |
| attracts every other object. | Every object |
| depends on the quantity of mass. | Gravitational force |
| factor that also affects the force of gravity. | Distance between objects |
| About 300 B.C., Aristarchus suggested that the sun was at the center of the universe. Why? | The planets appeared to move among the constellations,The brightness of the planets would change. |
| It is reasonable to conclude that the God of the Bible created all matter and started the motions now observed in the universe because: | scriptures which refer to the Earth have been found to be accurate. the known laws of physics indicate that energy could not create itself. science has no explanations for the origin of energy. |
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