8th Grade Unit 5 Vocabulary

Front

What is the periodic rise and fall of the level of water in the ocean called?

Back

Tide

Front

What is the term for the partial or total blocking of one object in space by another?

Back

Eclipse

Front

What are weaker tides caused by the sun and moon being in different positions called?

Back

Neap Tide

Front

What is it called when the amount of surface of the moon is decreasing?

Back

Waning

Front

What is the spinning of Earth on its axis called?

Back

Rotation

Front

What is the term for the gravitational pull of the moon on Earth that causes tides?

Back

Lunar Gravitational Pull

Front

What is the term for the gravitational pull of the sun on Earth that affects tides?

Back

Solar Gravitational Pull

Front

What is the phase of the moon when it is completely illuminated?

Back

Full Moon

Front

What is the phase of the moon when it is not visible from Earth?

Back

New Moon

Front

What is the term for the time it takes for the moon to complete one orbit around Earth?

Back

Lunar Month