Exam Review

Which phenomena occur as a result of the gravitational attraction between the moon and Earth?

• Eclipses

• Ocean Tides

• Seasonal Changes

• Phases of the Moon

The diagram above shows a polar projection of Earth and four positions of the Moon. The highest high tides and lowest low tides are called spring tides. Which positions of the Moon produce spring tides in Earth's oceans?

• 1 and 2

• 2 and 4

• 1 and 3

• 3 and 4

Which diagram below shows the relationship between the sun, the moon, and Earth when the moon is full (seen as a completely lighted circle)?

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A student observed the shape of the Moon once every 7 days during the month of June. Which of the following drawings shows how the Moon's shape could have changed during the month of June?

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The diagram above shows a polar projection of Earth, the Sun, and four positions of the Moon. Which position of the Moon could cause a solar eclipse?

• 1

• 2

• 3

• 4

A new moon, as viewed from Earth, is shown above. Which statement best describes how a new moon occurs?

• Earth receives no sunlight.

• The moon receives no sunlight.

• Earth is between the moon and the sun.

• The moon is between Earth and the sun.

The diagram above shows the relative positions of Earth and the Moon and rays of sunlight. Based on the diagram, which of the following best represents how the Moon would appear as seen from Earth?

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Why is there a full moon approximately once a month?

• The Moon revolves around Earth once a month.

• The Moon rotates on its axis once a month.

• The Moon revolves around the Sun once a month.

• The Moon does not rotate on its axis.

Which diagram most accurately represents the effect of the gravitational pull of the Moon on Earth's ocean tides?

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When magnesium (Mg) metal is burned in the presence of oxygen (O₂), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is

• a solution.

• a mixture.

• a compound.

• an element.