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Anna and Mary Leah

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General Space

The Moon The Earth Bodies in Space

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Row 1, Col 1

The force of attraction between two objects.

What is gravity?

1,2

The completely dark inner area of the shadow of the Moon

What is an umbra?

1,3

The Northern Lights.

What is the Aurora Borealis?

1,4

A burning ball of gas and dust.

What is a star?

2,1

A moving object will not change its speed And direction unless

acted on by another force.

What is inertia?

2,2

A point in its orbit where the moon is closest to Earth.

What is a perigee?

2,3

The magnetic field around the Earth.

What is the magnetosphere?

2,4

A giant snowball in space.

What is a comet?

3,1

The universe began to expand with the explosion of concentrated

matter and energy, and has been expanding ever since.

What is the Big Bang Theory?

3,2

Long valleys on the surface of the moon that show that

the moon might once have had active volcanoes.

What are rilles?

3,3

The beginning of spring; there is equal day and night.

What is the vernal equinox?

3,4

Flying, irregularly shaped mountains made of rock

and metal.

What is an asteroid?

4,1

An oval shaped revolution around a planet or sun.

What is an elliptical orbit?

4,2

When the moon and the sun are at right angles to the Earth.

What is a neap tide?

4,3

The angle of the Earth’s axis.

What is 23 ½ degrees?

4,4

A massive cloud of dust and gas between the stars.

What is a nebula?

5,1

Natural satellites that orbit planets.

What is a Moon?

5,2

The number of days it takes the moon to pass from the full moon phase to the new moon

phase.

What is the significance of 14.75 days?

5,3

This is caused by the tilt of the axis and the

revolution of the Earth.

What is the cause of the seasons?

5,4

A streak of light produced by a meteoroid as it burns up in

Earth’s atmosphere.

What is a meteor?