Space Science Vocabulary Quiz 4th Grade

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Students are assessed on the knowledgeo of the space science vocabulary we have learned in class.

• 1.

Day and night are caused by:

• A.

Earth's rotation on its axis.

• B.

The tilt of Earth's axis

• C.

Earth's revolution around the sun

• D.

Eclipses

A. Earth's rotation on its axis.
Explanation
Day and night are caused by Earth's rotation on its axis. As the Earth rotates, different parts of it are exposed to the Sun's light. When a particular part of the Earth is facing the Sun, it experiences daylight, while the opposite side experiences darkness, resulting in night. This rotation takes approximately 24 hours, leading to the cycle of day and night that we observe on Earth. The other options, such as the tilt of Earth's axis, Earth's revolution around the sun, and eclipses, are not directly responsible for causing day and night.

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• 2.

One complete ________________ of the earth around the sun takes about one year.

revolution
Explanation
The word "revolution" is used to describe the complete orbit or rotation of the earth around the sun. This process takes approximately one year to complete.

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• 3.

Earth has seasons because it rotates on its axis.

• A.

True

• B.

False

B. False
Explanation
The statement is false because Earth has seasons not because it rotates on its axis, but because of its tilt. The axis of the Earth is tilted at an angle of about 23.5 degrees relative to its orbit around the sun. This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year, resulting in the changing of seasons. As the Earth orbits the sun, different hemispheres are tilted towards or away from the sun, leading to variations in temperature, weather patterns, and the length of daylight.

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• 4.

The moon revolves around thet earth and goes through all of its phases in one _______________.

month
Explanation
The moon revolves around the earth and completes its orbit in approximately 27.3 days, which is roughly equal to a month. During this time, the moon goes through all of its phases, such as new moon, first quarter, full moon, and last quarter. This is because the moon's position relative to the sun and earth changes as it orbits, causing different amounts of sunlight to be reflected back to us on earth, resulting in the different phases.

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• 5.

The earth rotates around its

• A.

Moon

• B.

Axis

• C.

Sun

• D.

Tilt

B. Axis
Explanation
The correct answer is "axis". The Earth rotates around its axis, an imaginary line that runs through the North and South poles. This rotation causes day and night as different parts of the Earth are exposed to the Sun's light. The axis is tilted, which is why we have seasons. As the Earth orbits the Sun, different parts of the planet receive different amounts of sunlight throughout the year, resulting in the changing seasons.

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• 6.

The path the earth follows around the sun is called

• A.

Orbit

• B.

Rotation

• C.

Revolution

• D.

Axis

A. Orbit
Explanation
The path that the Earth follows around the sun is called an orbit. An orbit is the curved path that an object takes around another object due to the gravitational force between them. In the case of the Earth, it revolves around the sun in an elliptical orbit, taking approximately 365.25 days to complete one revolution. The concept of an orbit is fundamental to understanding celestial mechanics and is applicable to other celestial bodies as well.

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• 7.

Its takes the earth 1 day to make one rotation on its axis.

• A.

True

• B.

False

A. True
Explanation
The statement is true because the Earth does indeed take approximately 24 hours to complete one rotation on its axis. This rotation is what causes day and night to occur as different parts of the Earth are exposed to the Sun's light. This phenomenon is also the reason why we experience the cycle of 24-hour days.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Mar 15, 2012
Quiz Created by
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