Understanding Gravity and Earth's Motion

What is gravity?

• A force that pushes objects away

• A force that pulls objects towards each other

• A type of energy

• A type of motion

Who is known for the law of universal gravitation?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Johannes Kepler

What keeps the planets in orbit around the Sun?

• Wind

• Gravity

• Friction

• Magnetism

How long does it take for the Earth to complete one rotation on its axis?

• 12 hours

• 24 hours

• 30 hours

• 365 days

What causes day and night on Earth?

• The Earth's rotation

• The Earth's revolution

• The Sun's brightness

• The Moon's position

What is the term for the path the Earth takes as it revolves around the Sun?

• Orbit

• Axis

• Rotation

• Revolution

How long does it take for the Earth to complete one revolution around the Sun?

• 30 days

• 24 hours

• 365 days

• 12 months

Which of the following is true about Earth's rotation?

• It happens every 365 days

• It happens from east to west

• It causes the Sun to rise in the east

• It has no effect on the seasons

What are the two main effects of Earth's rotation?

• Day and night

• Seasons and tides

• Weather patterns and day length

• Lunar phases and eclipses

What is the tilt of the Earth's axis?

• 23.5 degrees

• 45 degrees

• 90 degrees

• 0 degrees