Gravity's Role in the Solar System

A ___________ is a push or a pull.

• gravitational pull

• force

• planet

• system

_____________ is a force that attracts all objects toward each other.

• Gravity

• Magnetism

• Electricity

• The sun

True or False: Objects with little mass have no gravity.

• True

• False

Which object would have the most gravitational pull on you (assuming you were all the same distance from all of them)?

• pencil

• bowling ball

• basketball

• soccer ball

True or False: Objects with more mass have a greater gravitational pull.

• True

• False

The force of gravity is measure in _______________.

• Pounds

• Volts

• Newtons

• Kilograms

Newton's Law of Universal Gravity states that gravitational pull depends on what two factors?

• Mass & Distance

• Mass & Temperature

• Distance & Temperature

• Weight & Size

Gravity cause the sun (and other stars) to form by collecting and combining gas from a ___________.

• nebula

• nova

• cow

• moon

The beginning stage of a star (or a baby star) is known as what?

• protostar

• post-star

• infastar

• starburst

A star forms when the nucleus of one atom fuses with the nucleus of another. This process is known as what?

• nuclear fusion

• nuclear welding

• fusion frenzy

• atomic fission