• Physical Changes:– matter undergoes a change in size, shape, or

phase– particles do NOT change– mixtures are included

• Chemical Changes:– particles of one substance are changed in

some way to form particles of a new substance that has new and different properties

– production of heat or light, appearance of gas bubbles, and a solid forming

Burning wood

Putting paint on wood

Freezing water

Mixing salt and water together

Rusty nail

Ripping a piece of paper

Burning a piece of paper

Breaking glass

Cooking food

Making a volcano with baking soda and vinegar

Digesting an apple

Smashing a pumpkin

Putting a plug into a socket

Car rust

Photosynthesis