8th grade 3rd Six Weeks 1st review

Front

What is the first stage in the life cycle of a star?

Back

Nebula: A large cloud of gas and dust in space, where stars are born.

Front

What is the primary cause of tectonic plate movement?

Back

Convection currents in the mantle: The movement of molten rock in the Earth's mantle that causes tectonic plates to shift.

Front

What type of tide occurs during a full moon or new moon?

Back

Spring tide: A tide with the greatest difference between high and low water.

Front

What type of tide occurs during the first and third quarters of the moon?

Back

Neap tide: A tide with the least difference between high and low water.

Front

What is the effect of the Moon's gravity on Earth's tides?

Back

It causes tides to be higher: The gravitational pull of the Moon creates bulges in the Earth's oceans, leading to high tides.

Front

What is a Main Sequence star?

Back

A Main Sequence star is a star that is in the stable phase of its life cycle, where it fuses hydrogen into helium in its core.

Front

What is a Red Giant?

Back

A Red Giant is a late stage in the life cycle of a star, characterized by a large size and a cooler temperature.

Front

What is a White Dwarf?

Back

A White Dwarf is a small, dense star that is the remnant of a star that has exhausted its nuclear fuel.

Front

What is a Supernova?

Back

A Supernova is a powerful explosion that occurs at the end of a star's life cycle, often resulting in the formation of a neutron star or black hole.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's lithosphere that move and interact with each other, causing earthquakes and volcanic activity.