Molecules in Motion

Density is a property of matter.

• TRUE

• FALSE

To calculate the density of an object you will need .....

• Mass & weight

• water & salt

• mass & volume

• volume and weight

To calculate volume, you will .....

• Pour it in a graduated cylinder.

• Subtract the beginning volume from the ending volume.

• Add the beginning volume to the ending volume.

• Length X width

To calculate density you will .....

• Subtract the mass from the volume

• Multiply the mass times the volume.

• Add the mass & volume

• Divide the mass by the volume

When something is saturated ....

• It doesn't mean anything. Just keep adding more.

• It can't hold any more.

• It will generally rain.

Molecules in a solid are .....

• Closely packed and organized.

• spread apart as far as possible.

• not moving at all.

Absolute zero is ....

• impossible

• only possible at the North Pole.

• is -20 or more below zero .

Molecules become more active as ......

• the temperature drops

• absolute zero is reached

• the temperature increases

• all of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Particle dissolve faster in ....

• absolute zero

• cold liquid

• warm liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Dry ice is frozen ....

• O2

• CO2

• CO2OH

• H2O

Tags

NGSS.MS-PS1-1