Question 1:

What causes tides on Earth?

Explanation: Tides on Earth are primarily caused by the gravitational interactions between the Earth, Moon, and Sun.

Question 2:

What is the primary factor that determines the strength of the gravitational force between two objects?

Explanation: The primary factor that determines the strength of the gravitational force between two objects is the mass of the objects.

Question 3:

What is the shape of a planet's orbit around the Sun?

Explanation: The shape of a planet's orbit around the Sun is an ellipse.

Question 4:

What is the name given to the point in an orbit where a satellite is closest to the Earth?

Explanation: The point in an orbit where a satellite is closest to the Earth is called the perigee.

Question 5:

What is the name given to the point in an orbit where a satellite is farthest from the Earth?

Explanation: The point in an orbit where a satellite is farthest from the Earth is called the apogee.