1st year quiz

The _______ is all of the space and everything in it

An _____ is a small rocky object that orbits a star

A ______ is any object that orbits a star

A ______ is a collection of many millions of stars

A _____ is a large ball of gas that gives off light and heat

______ is the speed of an object in a particular direction

_______ is the change in velocity per unit time

The unit of density is

• grams

• centimetres

• g/cm

• g/cm3

If the matter in an object is packed very tightly, the object will be very ____

• solid

• dense

• compacted

• light

Speed is calculated by...

• Distance divided by time

• Time divided by distance

• Speed divided by time

• Speed divided by distance