BrainPop Jr. quiz Sink and Float

What will happen if you add 2 ice cubes to a cup of water?

• The water level will go up.

• The water level will go down.

• The water level will stay the same.

• 
  The water will boil.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which object will float in a tub of water?

• an iron weight

• a heavy rock

• a flat, thin leaf

• a solid gold statue

Which object will sink in a bowl of water?

• a pencil

• a gold ring

• an apple

• a balloon

Many HOLLOW objects like an empty box, soda can, or bottle float. What does HOLLOW mean?

• very heavy

• full of food

• full of liquid

• full of empty space

Tags

NGSS.5-PS1-1

Which sentence is TRUE?

• Small objects always float.

• Big, heavy objects always sink

• An object sinks if it is heavier than the water it pushes away.

• When an object floats, it falls to the bottom.

A feather, leaf, and a boat are all BUOYANT. What does BUOYANT mean?

• able to float

• sinks easily

• light

• small

What helps a boat float?

• its shape

• the air inside it

• it is lighter than the water it pushes away

• all of the above

Why does a pencil float?

• It is thick and heavy.

• It does not push any water away.

• The pencil weighs less than the water it pushes away.

• 
  It is sharp.

Why does a coin sink in a cup of water?

• 
  It weighs more than the water it pushes away.

• It weighs less than the water it pushes away.

• It weighs the same as the water it pushes away.

• It does not push any water away.

Tags

NGSS.MS-PS2-2

Moby tests different objects to see if they float. Which object is most likely to float?

• 
  a metal spoon

• a wooden spoon

• a glass spoon

• 
  a ceramic spoon

Tags

NGSS.5-PS1-3