Understanding Gravity and Its Effects

What is gravity?

• A visible force

• An invisible force

• A type of energy

• A kind of light

What does gravity do to objects on Earth?

• Makes them float away

• Pulls them towards the sky

• Pulls them back to the Earth

• Makes them disappear

Who discovered gravity?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Marie Curie

What did Isaac Newton see that helped him understand gravity?

• A bird flying

• A ball rolling

• An apple falling

• A rocket launching

What causes the planets to orbit around the Sun?

• The Sun's heat

• The Sun's light

• The Sun's gravitational pull

• The planets' spinning

Why does the Moon stay close to Earth and not float away?

• Earth's strong winds

• Earth's magnetic field

• Earth's gravitational force

• The Moon's light

What causes the tides in the ocean?

• The Sun's heat

• The Earth's rotation

• The Moon's gravitational pull

• Strong winds

If an object has more mass, what can you say about its gravity?

• It has less gravity

• It has no gravity

• It has more gravity

• It floats away

Why does a stone fall to the ground faster than a piece of paper?

• The paper is lighter

• The stone has more mass

• The paper is flat

• The stone is round

How much less is the Moon's gravitational pull compared to Earth's?

• Half

• One-third

• One-sixth

• Double