HMH Mod J Unit 1.2

A large piece of ice is placed on the sidewalk on a warm day. What will happen to the ice? 

• It will melt to form liquid water
• It will melt to form water vapor
• It will not change at all.
• It will freeze to form liquid water. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

An ice cube is placed in a pan. The pan is placed over an open flame. Which change will MOST likely happen over time?

• The ice changes to a gas then a liquid
• The ice changes to a gas and then back to a solid
• The ice changes to a liquid then to a gas.
• The ice changes to a liquid and back to a solid. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The boiling of water results in a physical change in matter from

• solid to liquid
• gas to solid
• solid to gas
• liquid to gas

Tags

NGSS.MS-PS1-4

Which is needed for both boiling and melting to occur?

• solids
• gases
• heat
• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these is an example of water changing from water vapor to liquid?

• moisture forming on a mirror when you breathe on it
• sweat forming on your body when you exercise
• ice cubes melting when you put them in a warm liquid
• rivers drying up during a very hot summer

Tags

NGSS.MS-PS1-4

A student put 200 milliliters (mL) of water into a pot, sets the pot on a burner, and heats the water to boil. When the pot is taken off the burner, it contains only 180 milliliters (mL) of water. What happened to the rest of the water?

• It was used up.
• It condensed.
• It was absorbed by the heat.
• It turned into water vapor.

Tags

NGSS.MS-PS1-4

Molecules have energy and _________ stop moving

• rarely
• always
• never
• sometimes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter changes state when...

• energy is added or removed
• energy is added
• energy is removed
• there is no energy

Tags

NGSS.MS-PS1-4

As molecules gain energy, they move _____ and spread apart, and vise versa.

• faster
• slower
• less
• inside

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As molecules bump into each other, they push each other ________ until they are equally spread out. 

• together
• apart

Tags

NGSS.MS-PS2-5