Ice is an example of a physical change. Although heat melts ice, you CAN return it to a frozen and liquid form.
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15
Boiling water. Physical or chemical change?
Physical change. Even though it uses heat, water is still water when it cools down. The process is reversible.
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15
Fruit Salad is an example of a physical or chemical change?
Physical. The ingredients of a fruit salad can be separated into their original components.
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15
What is a usually irreversible change in chemical properties or composition, resulting in a new substance?
Chemical change
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15
Shredded cheese. Physical or chemical change?
Physical change. You can melt cheese back into it's original block form. It is still cheese.
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15
Salad. Physical or chemical change?
Physical change. You can return the lettuce, carrots, nuts, and other vegetables back to their original components.
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monster
Reset all scores!
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gift
Win 25 points!
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gift
Win 20 points!
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lifesaver
Give 10 points!
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15
What is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances other substances interact with energy?
Chemistry
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15
Cooked bacon is an example of a physical or chemical change?
Chemical change. Cooking bacon uses heat and cannot be undone (you can't return bacon to it's uncooked form once it has been heated up)
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trap
No points!
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fairy
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rocket
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banana
Go to last place!
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15
Pancakes. Chemical or physical change?
Chemical change. You can't return flour, eggs, milk, and sugar to their original form
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15
What is a usually reversible change in the physical properties of a substance, such as size or shape?
Physical change
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trap
No points!
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shark
Other team loses 5 points!
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shark
Other team loses 20 points!
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banana
Go to last place!
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15
What is a substance made by combining two or more different materials so that no chemical change occurs and materials can be separated?
Mixture
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15
Cupcakes. Physical or Chemical change?
Chemical Change. You cannot turn flour, milk, eggs, and sugar into their original forms and it takes heat to make the change.
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15
Melted butter. Physical or chemical change?
Physical change. Even though it takes heat to melt butter, you can cool butter to it's original form and it's still butter.