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An alka seltzer was placed in a glass of water. The water began to bubble with a new gas called carbon dioxide. This is an example of a ....?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
In the winter many people build fires in their fireplaces for warmth. After awhile the logs burn down into ash.
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
What is the difference between a food chain and a food web?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
A vulture feeds on the a deer that was killed by a lion. A vulture is called a scavenger. What breaks down the remains of the deer after the vulture has finished feeding?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
Where are chromosomes found?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
Which of the following is evidence a chemical change has occurred....?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
A marathon runner has to wear shoes 1 size larger due to the constant running causing the feet to swell. The swelling of the feet is an example of a ....
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
An ice cube melting then evaporating is an example of a ...........?
bacteria
Heat is released, bubbles are created, and a new substance is formed
physical change
Inside the nucleus
Food chains show a single flow of energy while food webs show how many food chains are interconnected
A new substance formed represents a chemical change has occurred
Chemical change
physical change
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