Julie blows a balloon up and then slowly lets out the air until it is flat. This change in size is a ______________change

John is lighting a campfire. When John uses a ________________to start the fire he is creating a chemical change.

Joey showed his cousin a picture of melting ice to represent a chemical change. Was Joey correct in his example?

A change in size, shape, or state is a ______________________ change.

When salt is added to water is dissolved causing a _______________change.

Nicole's silverware was stored in her closet for years. When she opened the box up she noticed that they were tarnished. This tarnished indicates a _____________change.

Emily opened her lunch box to find that her mom packed her a banana. The yellow banana has turned a dark brown. Emily has found that her banana has ________________.

A change in color, odor, temperature, an substance is a ________________change.

Shawn goes to his truck to get some metal staples. He notices that the bucket they were in has collected some water. He removes the staples from the water and lays them out to dry. After a while he notices a chemical change. What could this be?

Shawn could have prevented the rusting by wiping the staples off with a towel and not allowing them to be exposed to ________________________.

John wants to see if aluminum nails will rust. He leaves them in the water for 24 hours and then takes them out and leaves them in the sun and dry. He doesn't notice any chemical reaction because aluminum doesn't_______________

When two chemicals are mixed it is called a _____________________ change.

Austin adds chlorine to his fish tank hoping that it will make it safe for the fish to swim. Austin is creating a _________________change in his fish tank.

Johan uses sandpaper to smooth the sculpture he made. Johan is creating a ________________change.

When copper is exposed to saltwater it turns a greenish color. What is this chemical change called?

A good scientist should observe their experiments are often as possible to assure _________results.

Burning wood is a __________________change?

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