Compare physical changes such as size, shape and state to chemical changes that are the result of a chemical reaction to include changes in temperature, color, formation of a gas or precipitate
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Q 1/12
Score 0
True or False - A physical change causes a substance to change states of mater, for example, from solid to liquid.
60
True
False
Q 2/12
Score 0
True or False - A chemical change produces a new substance with similar properties.
60
True
False
12 questions
Q.
True or False - A physical change causes a substance to change states of mater, for example, from solid to liquid.
1
60 sec
8.P.1.3
Q.
True or False - A chemical change produces a new substance with similar properties.
2
60 sec
8.P.1.3
Q.
Which of the following is NOT evidence that a new substance is forming in an experiment?
3
60 sec
8.P.1.3
Q.
Students are given a sample of an unknown material. They want to perform tests to determine its identity. Which test is MOST LIKELY to change the sample into another material?
4
60 sec
8.P.1.3
Q.
The contents of a sliced apple reacts with the air around it and starts turning brown. What is the best evidence that a new substance with different properties has formed?
5
60 sec
8.P.1.3
Q.
Students are completing a lab investigation that requires them to burn sugar. The sugar starts to boil when heated, and the smoke produced smells sweet. The end product is dark syrupy substance. Which of the following would be the BEST evidence of chemical reaction?
6
60 sec
8.P.1.3
Q.
What conclusion can be made about the four investigations in the table?
7
60 sec
8.P.1.3
Q.
A student uses a strip of Zinc (silvery metal) and combines it with hydroelectric acid inside a beaker. As the substances come into contact with one another, the following happens: bubbles form. Which portion of the chemical reaction shows evidence a new substance has formed?
8
60 sec
8.P.1.3
Q.
A students places a sample of sodium (soft silvery metal) in a beaker of water. The combination starts making a loud popping sound, lights up and smoke is seen. What is the evidence produced during the chemical reaction?
9
60 sec
8.P.1.3
Q.
A student combined a clear liquid with a strong odor with purple cabbage juice. When combined, the product immediately turned green. After sitting for a while, the product turned yellow. What is the evidence that a new substance was formed?
10
60 sec
8.P.1.3
Q.
A student mixed water and one package of red Kool-Aid, which produced a red liquid with powder settling at the bottom of the container. The student claimed that water and Kool Aid result in a chemical change. What makes this claim false?
11
60 sec
8.P.1.3
Q.
Which substance final appearance does not support an unexpected color change?
