Science 9-2

Scientists all over the world use a standard system for measurement that is based on units of ten.

• Imperial

• Standard

• Metric

Match the following

• volume

• the amount of matter in an object

• density

• the number of unit squares that cover a surface

• weight

• the mass of matter in a given space

• mass

• the number of cubes that fit inside an object

• area

• the effect of gravity on the stuff in a given object

Tags

NGSS.MS-PS2-4

Which has a greater density, a rock or a cork?

An object floats when its density is less than the liquid or gas in which it is placed.

• TRUE

• FALSE

Weight and mass are really just the same.

• TRUE

• FALSE

Because the Moon's gravity is 1/6 that of Earth, an object on the Moon will weigh six times what it does on Earth.

• TRUE

• FALSE

Tags

NGSS.MS-PS2-4

How much space an object (or liquid takes up)

Tags

matter

Water has a definite volume but no definite shape.

• TRUE

• FALSE

Tags

matter

Which state of matter has a definite shape and a definite volume?

• Solid

• Liquid

• Gas

• Plasma

Tags

matter

Match the following

• solid

• has a definite shape and takes up a definite amount of space

• liquid

• does not have a definite shape - fills the container it is in

• gas

• does not have a definite shape - take the shape of its container - does take up a definite amount of space

Tags

matter