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Changes in Matter
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Write A if the statement is a beneficial effect of changes and B if not. Dead plants and animals decompose to return nutrients to the soil.
A
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Spoilage of food.
A
Oops!
Okay!
Write A if the statement is a beneficial effect of changes and B if not. Forest fires happen in some areas.
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Making dresses
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Rusting metal chain
A
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Breaking of sticks into pieces
B
Oops!
Okay!
Write A if the statement is a beneficial effect of changes and B if not. Oxygen prevents metals from welding together.
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Hammering gold.
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Stretching rubber band.
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Cutting of paper
B
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Iron turning yellowish brown
A
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Digestion of food
A
Oops!
Okay!
Write A if the statement is a beneficial effect of changes and B if not. Oxygen combines with iron to form rust.
B
Oops!
Okay!
Write A if the statement is a beneficial effect of changes and B if not. Oxygen is used by the body in burning the nutrients that we need.
A
Oops!
Okay!
Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Apple flesh changing color
A
Oops!
Okay!
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