It does not create a new substance.
Physical change
Chemical reaction.
Answers may vary.
Chemical reaction.
Answers may vary.
physical change.
True
Chemical reaction.
False.
It produces a new substance, a gas. Carbon dioxide.
Chemical reaction.
Chemical reaction.
When it is unexpected.
Physical change
Physical change.
Physical change.
Chemical reaction.
Physical change.
A change that may cause the substance to look differently in size or shape, but does not create a new substance or unexpected change.
Chemical reaction
It does not create a new substance, the pieces are still paper.
Color, temperature, or state of matter.
Chemical reaction.
Physical change.
During a chemical reaction there can be an unexpected change in . . .?
Making popsicles.
Tearing up a piece of cloth.
Lighting a match.
Molding a piece of clay to make a sculpture.
Sanding a piece of wood to build a shelf.
When paper is torn, it is a physical change because why?
A light bulb being turned on.
Explain what a physical change is.
When is color change considered a chemical reaction?
Eating a doughnut
Why is the sky blue?
Name two chemical reactions.
Mixing two substances and having them produce heat.
Breaking a glass.
Firing clay in a kiln to make pottery.
Mixing vinegar and baking soda is considered a chemical reaction because why?
Heating iron to make steel.
Chocolate melting.
Mixing vinegar and baking soda.
Why is melting a physical change?
Name two physical changes.
Roasting a marshmallow.
Rust is a physical change. True or false?
Mixing a green liquid and a yellow liquid to create a pink solid.
