Review: Gravity, Tides and Seasons 24

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other. It is what keeps us on the ground and causes objects to fall.

Front

How does distance affect gravity?

Back

As the distance between two objects increases, the pull of gravity decreases.

Front

What causes tides on Earth?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on Earth's oceans.

Front

Why does the Moon have a greater influence on tides than the Sun?

Back

The Moon has a greater influence on tides because it is closer to the Earth.

Front

What are spring tides?

Back

Spring tides are the highest high tides and occur during the Full Moon and New Moon phases.

Front

What are neap tides?

Back

Neap tides are the lower high tides that occur during the quarter Moon phases.

Front

What is the Northern Hemisphere?

Back

The Northern Hemisphere is the half of the Earth that is north of the equator.

Front

What is the Southern Hemisphere?

Back

The Southern Hemisphere is the half of the Earth that is south of the equator.

Front

When does summer occur in the Northern Hemisphere?

Back

Summer occurs in the Northern Hemisphere when it is tilted towards the Sun.

Front

What is the role of the Sun in tides?

Back

The Sun also affects tides, but its influence is less than that of the Moon due to its greater distance from Earth.