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Match it!
Match it! Select the correct answer from the pull down...Good luck!
When two chemicals are mixed it is called a _____________________ change.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
Shawn could have prevented the rusting by wiping the staples off with a towel and not allowing them to be exposed to ________________________.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
A good scientist should observe their experiments are often as possible to assure _________results.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
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.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
Julie blows a balloon up and then slowly lets out the air until it is flat. This change in size is a ______________change
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
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.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
A change in color, odor, temperature, an substance is a ________________change.
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
Burning wood is a __________________change?
chemical
physical
accurate
chemical
Chemical
chemical
The oxygen in the air
chemical
Check it!