Chapter 22 Earth and Space

The sun, moon, and earth were created in the ______ day of the creation week.

• first

• second

• third

• fourth

Select the distance from the sun to the earth.

• 100 million km

• 120 million km

• 150 million km

• 50 million km

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It is the entire span of electromagnetic waves, that have different wavelenght, emitted by the sun.

• solar spectrum

• visible light

• ultraviolet light

• energy

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In the sun's core there is a nuclear fusion in which the hydrogen converts into _______.

• nitrogen

• helium

• methane

• gas

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When radiation stops on the radiative zone, forms a dark, cooler area that is called:

• solar flare

• radiation

• sunspot

• convective

TRUE OR FALSE- The moon is a perfect sphere.

• True

• False

Select the name of the crater of the moon that is more visible from the earth.

• Tycho

• Kepler

• Plato

• Bailly

The apparent motion of the sun that seems to move on the sky on a daily basis, due to the earth rotation.

• apparent motion

• ecliptical motion

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The motion of the earth on its own axis and that takes 24 hours is called: __________.

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The earth's motion around the sun that takes 365 days.

• rotation

• revolution

• apparent

• ecliptical

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