Check the materials that are less dense than water. (float)

• cooking oil

• soap bubbles

• wood chip

• feather

Which material will float in water?

• aluminum nail

• copper chain

• rubber ball

• piece of cardboard

Check the ingredients that are soluble in water.

• baking soda

• wood chips

• gold coins

• white sugar

• hot chocolate mix

Tags

NGSS.MS-PS1-2

What happens when you mix kool aid into water?

• The water becomes a solid

• The volume of the liquid decreases.

• The kool aid dissolves and spreads out evenly in water.

• The color and taste of the water stay the same.

Tags

NGSS.MS-PS1-2

What might you observe if a substance DID NOT dissolve in water?

• particles settle to the bottom of cup

• clear

• particles on the walls of the cup

• a thin layer formed on top of the water

• no visible particles

Tags

NGSS.MS-PS1-2

In which mixtures do ALL the ingredients maintain their physical state?

• salt, hot water, and rocks

• hot water, sand, and wood chips

• powdered soap and hot water

• iron filings and sand

• pebbles and soil

Check the materials that are attracted to magnets.

• cobalt

• alluminum

• iron

• nickel

• gold

Tags

NGSS.MS-PS2-3

For a push and pull to be the most effective in moving an object they must be.....

• in the same direction.

• in opposite directions.

Tags

NGSS.MS-PS2-1

Check the sports that you must estimate the amount of force needed to move something.

• baseball

• golf

• tennis

• bowling

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Check the materials that are good insulators of thermal energy.

• steel

• rubber

• iron

• wool

• aluminum