Differences Between Physical Change and Chemical Change Table of Contents: Introduction Physical Change Definition Reversibility Examples Chemical Change Definition Irreversibility Evidence Comparison: Physical Change vs. Chemical Change Reversibility Energy Changes…
If there is no Sun, the color of the sky would be:
A Blue
B Yellow
C Black
D Red
Correct Answer: C (Black)
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Which planet does not have rings?
1) Earth 2) Venus 3) Mars & 4) Mercury
A. Only 1
B. 2 and 3 only
C. 2, 3, and 4
D. All of these
Correct Answer: D (All of these)
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The average of 5 children born at intervals of 2 years is 18 years. What is the age of the youngest child?
A. 10
B. 12
C. 14
D. 16
Correct Answer: C (14)
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6 2 H N F 7 3 P L 9 K.
Arrange the letters in forward alphabetical order followed by the numbers in descending order
A. F H K L N P 9 7 6 3 2
B. P N L K H F 9 7 6 3 2
C. P N L K H F 2 3 6 7 9
D. F H K L N P 2 3 6 7 9
Correct Answer: A (F H K L N P 9 7 6 3 2)
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The example of good conductor of electricity is ___________?
A. Rubber
B. Glass
C. Copper
D. Plastic
Correct Answer: C (Copper)
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