1. Elijah has observed that more people run on sunny days as compared to rainy d

Question

1. Elijah has observed that more people run on sunny days as compared to rainy days. The relationship between the amount of sun and the amount of people running is a(n) _____. a) correlation
b) control
c) hypothesis
d) experiment
e) theory 2. Which of the statements below best describes a hypothesis? a) An explanatory idea that is broad in scope and supported by a large body of evidence
b) A widely accepted theory that is broad in scope and supported by a large body of evidence
c) A tentative answer to some question
d) A widely accepted idea about a phenomenon
e) The same as a theory 3. How do you find the mass number of an atom? a) Add up the number of protons, electrons, and neutrons in the atom.
b) Add up the number of protons and neutrons in the atom.
c) It is equal to the number of protons in the atom.
d) It is equal to the number of neutrons in the atom.
e) Find the net electrical charge of the atom. 4. Which of the following involves a change of state? a) Melting ice
b) Freezing water
c) Vaporization of alcohol
d) All of the above
e) None of the above 5. Which of the following statements about the periodic table is correct? a) A group is a horizontal row on the periodic table.
b) A period is a column on the periodic table.
c) The elements in each group have similar chemical properties.
d) The B groups contain the representative elements.
e) The A groups contain the transition elements. 6. Which of the following is a chemical change? a) Burning toast
b) Melting a snowball
c) Shredding a piece of paper
d) Making a snowman
e) Cutting a rope 7. Jasmine has a balloon that contains 0.1 mole of helium. How many particles of helium are in the balloon? a) 6.02
b) 3.01 1. Elijah has observed that more people run on sunny days as compared to rainy days. The relationship between the amount of sun and the amount of people running is a(n) _____. a) correlation
b) control
c) hypothesis
d) experiment
e) theory

Explanation / Answer

1. Elijah has observed that more people run on sunny days as compared to rainy days. The relationship between the amount of sun and the amount of people running is a(n) _____. a) correlation b) control c) hypothesis d) experiment e) theory 2. Which of the statements below best describes a hypothesis? a) An explanatory idea that is broad in scope and supported by a large body of evidence b) A widely accepted theory that is broad in scope and supported by a large body of evidence c) A tentative answer to some question d) A widely accepted idea about a phenomenon e) The same as a theory 3. How do you find the mass number of an atom? a) Add up the number of protons, electrons, and neutrons in the atom. b) Add up the number of protons and neutrons in the atom. c) It is equal to the number of protons in the atom. d) It is equal to the number of neutrons in the atom. e) Find the net electrical charge of the atom. 4. Which of the following involves a change of state? a) Melting ice b) Freezing water c) Vaporization of alcohol d) All of the above e) None of the above 5. Which of the following statements about the periodic table is correct? a) A group is a horizontal row on the periodic table. b) A period is a column on the periodic table. c) The elements in each group have similar chemical properties. d) The B groups contain the representative elements. e) The A groups contain the transition elements. 6. Which of the following is a chemical change? a) Burning toast b) Melting a snowball c) Shredding a piece of paper d) Making a snowman e) Cutting a rope 7. Jasmine has a balloon that contains 0.1 mole of helium. How many particles of helium are in the balloon? a) 6.02 b) 3.01

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