Science earth and space

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What causes day and night on earth?

Earth's rotation on its axis

What causes the phases of the moon?

The change in the position of the moon, earth and sun.

What causes the change of season?

The tilt on earth's axis.

How many times each ear do we have an equinox?

Two times a year

An___ occurs on a day with 12 hours of daylight and 12 hours of darkness

equinox

The northern and southern hemisphere have the same__

seasons

What is gravity?

A force between two or more objects

What is the great red spot and on what planet does it reside?

A huge storm on the face on jupiter.

About how long does it take for the moon to orbit the earth?

About one month

About how long does it take for the moon to rotate on its axis?

About one month

Why don't solar and lunar eclipse happen every month?

Because the earth, moon and sun need to be aligned and they do not align every month.

How often do high and low tides occur?

Both occur twice daily

What is a retrograde rotation?

Clockwise rotation of a planet

What are the gas giant planets?

Gas giants are also called Jovian planets after Jupiter, the prototype of gas giants in our Solar System. There are four gas giants in our Solar System - Jupiter, Saturn, Uranus, and Neptune.

What direcion does the north pole face in relation to the sun diuring winter?

It faces aways form the sun

What is the planetary arrangement in order from smallest to largest?

Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter

How long does earth take to rotate once on its axis?

One day

How long does earth take to orbit once around the sun?

One year

What happens during low tide?

When the moon's gravity is pulling on one side creating high tide, the side where the moon is not pulling become low.

What are the terrestrial planets?

Within the Solar System, the terrestrial planets are the inner planets closest to the Sun. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth (Terra and Tellus), as these planets are, in terms of composition, "Earth-like". Mercury, Venus, Earth, Mars

In January, the Earth is the __ from the sun

farthest

A __ eclipse happens when the earth is between the sun and the moon

lunar

What types of gas is earths atmosphere mostly made of?

nitrogen

How long does it take for one rotation of the moons phases to occur from new moon to new moon

one month

During the winter the sun's rays are__

slanted

The earth's seasons are caused by the earth's__axis

tilted

Can you see the sun at all during a total solar eclipse

yes

What are the different types of tides and when do they occur?

Spring tides (extreme high and low tides) occur during a full and new mon when the sun, earth and moon are in a straight line. Neap tides (weak tides) occur during a first quarter and last quarter moon. The sun moon and earth form a right angle.

How do spring and neap tides occur?

Spring tides occur when the moon, earth, and sun are in alignment. During the full and new moon faces. Neap tides occur when the sun, moon, and earth form a right angle.

When is gravity stronger?

The greater the mass and the closer the distance of two objects.

How is the moon's gravity able to create high and low tides?

The moon is revolving more slowly than the earth is rotating, which allows the moon's gravity to pull on the earth's ocean waters creating a bulge during a high tide.

What happens during high tide?

The moon's gravity is pulling the ocean water into a bulge.

Why do we always see the same side of the moon?

The reason we always see the same side of the moon is because the moon rotates at the same speed at which it revolves.

What happens during a total solar eclipse?

The sun, moon, and earth are aligned and the moon is blocking the earth from the sun. The daylight will become dark.


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