Exploring Grade 3 Astronomy Concepts

The video explains Earth's location in the universe, defining what makes a planet, Earth's orbit and distance from the sun, the importance of Earth's atmosphere and water, the moon's phases and eclipses, and how Earth's movements cause seasons. It concludes with a summary of Earth's space address.

What does the term 'planet' originally mean?

• Wanderer

• Star

• Satellite

• Asteroid

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How long would it take to drive from Earth to the Sun at 60 miles per hour?

• 1000 years

• 177 years

• 93 million years

• 365 days

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How does Earth's atmosphere affect the temperature on the surface?

• It traps heat near the surface

• It heats the surface

• It has no effect

• It cools the surface

Why does Earth have an atmosphere?

• To provide air to breathe

• Both to provide air and protect from the Sun

• To make the sky appear blue

• To protect from the Sun's harmful rays

What percentage of Earth's surface is covered by water?

• About 50%

• About 70%

• About 80%

• About 60%

What phenomenon occurs when the Moon comes between the Sun and Earth?

• Blue moon

• Red moon

• Lunar eclipse

• Solar eclipse

What causes a lunar eclipse?

• The Sun's shadow falls on the Moon

• The Sun comes between Earth and the Moon

• The Moon's shadow falls on Earth

• Earth comes between the Sun and the Moon

What is the correct definition of a year on Earth?

• The time between two consecutive leap years

• The time it takes Earth to orbit the Sun once

• The time it takes for the Moon to orbit Earth

• The time it takes Earth to complete one rotation

What happens during a leap year?

• A day is removed from December

• A day is removed from March

• An extra day is added to February

• An extra day is added to January

What is the primary reason for the seasons on Earth?

• Earth's distance from the Sun

• The Moon's orbit

• Earth's tilted axis

• The Sun's rotation