Chapter 1: Q.1.3 (page 3)
Obtain a bottle of multivitamins and read the list of ingredients. What are the four chemicals from the list?
Short Answer
The four chemicals are Vitamin C, Vitamin D, Folic acid, and Zinc.
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Chapter 1: Q.1.3 (page 3)
Obtain a bottle of multivitamins and read the list of ingredients. What are the four chemicals from the list?
The four chemicals are Vitamin C, Vitamin D, Folic acid, and Zinc.
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Classify each of the following statements as an observation or a hypothesis:
a. A patient breaks out in hives after receiving penicillin.
b. Dinosaurs became extinct when a large meteorite struck Earth and caused a huge dust cloud that severely decreased the amount of light reaching Earth.
c. The dash was run in .
Identify each of the following as an observation, a hypothesis, an experiment, or a conclusion:
a. Sally thinks she may be allergic to shrimp.
b. Yesterday, one hour after Sally ate a shrimp salad, she broke out in hives.
c. Today, Sally had some soup that contained shrimp, but she did not break out in hives.
d. Sally realizes that she does not have an allergy to shrimp.
A "chemical-free" shampoo includes the following ingredients: water, cocamide, glycerin, and citric acid. Is the shampoo truly "chemical-free"?
Write each of the following in scientific notation:
a.
b.
C.
d.
A bag of gumdrops contains 16 orange gumdrops, 8 yellow gumdrops, and 16 black gumdrops.
a. What is the percentage of yellow gumdrops? Express your answer to the ones place.
b. What is the percentage of black gumdrops? Express your answer to the ones place.
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