What is the definition of relative density?

• The ability of an object to sink or float in water.

• Using the five senses to describe matter.

• Any and all things that have mass and take up space.

• A force that repels or attracts objects that are magnetic.

If a paperclip is more dense than water, that means that it ____ .

If a sponge is less dense than water, that means that it ____ in water.

The following items sink in water ​​ (a)   , ​ ​ (b)   , ​ (c)   , and ​shell.

• plastic frog
• foil
• straw
• cap
• nail,
• penny
• rock

Tags

NGSS.5-PS1-3

A piece of cork is ____ dense than water.

Tags

NGSS.5-PS1-3

A nail is ____ dense than water.

All of the following objects sink in water except

• washer

• rock

• styrofoam

• book ring

Tags

NGSS.MS-PS2-2

All of the following objects float in water except

• cork

• safety pin

• balloon

• foam ball

A shell is ​ (a)   dense than ​ (b)  

• more
• water.
• less
• a nail
• a golf ball
• a rock
• equal to

Tags

NGSS.MS-PS1-2

The metal spoon is ___ dense than water.