Physical or Chemical Reaction

Is glass breaking a chemical or phyiscal change?

• chemical

• physical

Is melting ice a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Is spoiling food a physical or chemical change?

• phyiscal

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is frying an egg a physical or chemical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Salt dissolves in water

• physical Change

• chemical change

what is the definition of physical change?

• any change that results in the formation of new chemical substances. 

• rusting

• changes affecting the form of a chemical substance, but not its chemical composition.

• any property that is measurable, whose value describes a state of a physical system

Tags

NGSS.MS-PS3-4

What is physical change?

• How two chemicals react with one another when combined

• A property that we can measure or observe with our 5 senses or other tools

• When two chemicals react with one another to form a new substance

• When a change occurs but it does not result in the formation of a new substance

What is chemical change?

• How two chemicals react with one another when combined

• A property that we can measure or observe with our 5 senses or other tools

• When two chemicals react with one another to form a new substance

• When a change occurs but it does not result in the formation of a new substance

Tags

NGSS.MS-PS1-5

When you increase the energy by heating a liquid what happens to the motion of the molecules

• They slow down

• They speed up

• Heat doesnt change the motion of the molecules

Tags

NGSS.MS-PS1-4

What do we call the molecules that are present at the end of a chemical reaction?

• Reactants

• Products

• Ingredients

• Atoms

Tags

NGSS.MS-PS1-5