Classwork: Gravity & Galaxies

The universe is Defined as

• all of space and everything in it

• the sun

• The Milky Way Galaxy

What scientist studied Gravity?

• Nikola Tesla

• Isaac Newton

• Charles Darwin

• Thomas Edison

Gravity is

• A force that every object exerts on all other objects that have a mass

• an invisible force that keeps planets in orbit

• an invisible force that pushes us down on Earth's Surface

• All of the above

The bigger the mass of an object the _____ its gravitational pull.

• weaker

• stronger

The smaller the mass of an object the _____ its gravitational pull.

• stronger

• weaker

Objects have a stronger gravitation attraction when they are ______ together

• closer

• farther

Objects have a weaker gravitation attraction when they are ______ together

• farther

• closer

The scientific law that states that the force of gravity between 2 objects depends on mass and distance.

• ideal gas law

• law of thermodynamics

• law of universal gravitation

Weight is defined as

• is a measure of how hard gravity pulls down on an object.

• is a measure of the amount of matter in an object.

Mass is defined as

• is a measure of how hard gravity pulls down on an object.

• is a measure of the amount of matter in an object.