Air & Water Resistance

Who discovered gravity about 300 years ago?

• Nikola Tesla

• Albert Einstein

• Galileo Galilei

• Isaac Newton

What did Isaac Newton see falling from a tree that led to the discovery of gravity?

• Apple

• Banana

• Orange

• Pear

What keeps planets orbiting around the sun?

• Friction

• Magnetism

• Electricity

• Gravity

Why does the moon rotate around the earth?

• Magnetism

• Wind

• Electricity

• Gravity

What causes the tides in the sea and oceans?

• Rain

• Gravity

• Sunlight

• Wind

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

• Weight

• Shape

• Color

• Size

What determines the size of the gravitational pull between objects?

• Color

• Shape

• Temperature

• Mass

What invisible force keeps us from floating off into space?

• Magnetism

• Electricity

• Gravity

• Wind

What made Isaac Newton realize the existence of gravity?

• A falling leaf

• A falling flower

• A falling apple

• A falling rock

What is the force that pulls objects back to Earth?

• Gravity

• Magnetism

• Wind

• Electricity