All scientific research begins with________. a. a prediction b. an experiment c.

Question

All scientific research begins with________. a. a prediction b. an experiment c. an observation d. a hypothesis A good scientific study _________. a. has controls b. has a testable question c. is repeatable and verifiable d. all of the above Atoms share ____ to make a molecule. a. proton b. neutron c. electron d. all of these Which property of water makes it likely to dissolve other substances and also to be attracted to other water molecules? a. water is polar b. water is hydrophobic c. water is nonpolar c. water is a solute Capillary action describes _____. a. waters affinity for other water molecules b. water's affinity for other types of molecules c. water s ability to travel up a very narrow tube made of polar molecules A water s ability to travel up a very narrow tube made of nonpolar molecules Which of these cups is holding a base? a. cup A b. cup B c. cup C d. cups A and B Carbohydrates arc also known as a. fats b. sugars c. DNA d. proteins Proteins

Explanation / Answer

10. All scientific research begins with an

b) experiment

11.A good scientific study

c) is repeatable and varifiable

12. Atoms share electrons to form a molecule.

13. a) Water is polar

16. Carbohydrates are known as sugars

17.Proteins are long chain of aminoacids

18.DNA is a polymer

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