CHEM 1010 MIDTERM 1 EXAM QUESTIONS WITH
CORRECT ANSWERS 2025-2026
What is the first step in the scientific process? - CORRECT-ANSWERS observe a
natural phenomenon
An example of basic research is ________. - CORRECT-ANSWERS the study of
the composition of the atom
Is chemistry the study of the submicroscopic, the microscopic, or the
macroscopic, or all three? - CORRECT-ANSWERS All of the above because most
everything is made of atoms and molecules.
Which of the following would be considered basic research? - CORRECT-ANSWERS
examining why a mouse likes cheddar cheese more than swiss cheese
A scientific hypothesis is a(n) ________. - CORRECT-ANSWERS testable
assumption used to explain an observation
What is the mass, in kilograms, of a human who weighs 130-pounds on Earth, on
the Moon? - CORRECT-ANSWERS about 59 kg
Which would have the most kinetic energy? The same mass of ________. -
CORRECT-ANSWERS a hot gas.
, Which of the following is the least amount of energy? - CORRECT-ANSWERS 1.0
joule
You take 50 mL of small ballbearings (BBs) and combine them with 50 mL of large
BBs and you get a total of 90 mL of BBs of mixed size. Which of the following
statements best explains this? - CORRECT-ANSWERS Many of the smaller BB's
are able to fit within the pockets of space that were originally empty between the
large BBs.
Which of the following best describes a gas? - CORRECT-ANSWERS The
molecules are moving quickly and are widely spaced.
Why do we use different units for mass and weight? - CORRECT-ANSWERS They
are two different quantities.
The value 300 joules could be a measure of ________. - CORRECT-ANSWERS
Both A and B- the energy content of an object (A), the amount of heat transferred
from one object to another (B)
Which would you rather have and why: a decigram or a kilogram of gold? -
CORRECT-ANSWERS a kilogram of gold because this is 10,000 times as much as a
decigram of gold
When you suck through a soda straw into a drink, what causes the drink to rise
into your mouth? - CORRECT-ANSWERS the weight of the atmosphere
Someone wants to sell you a piece of gold that they say is nearly pure. Before
buying the piece, you measure its mass to be 52.3 grams and you find that it
displaces 4.16 mL of water. Calculate its density and assess its purity given the
CORRECT ANSWERS 2025-2026
What is the first step in the scientific process? - CORRECT-ANSWERS observe a
natural phenomenon
An example of basic research is ________. - CORRECT-ANSWERS the study of
the composition of the atom
Is chemistry the study of the submicroscopic, the microscopic, or the
macroscopic, or all three? - CORRECT-ANSWERS All of the above because most
everything is made of atoms and molecules.
Which of the following would be considered basic research? - CORRECT-ANSWERS
examining why a mouse likes cheddar cheese more than swiss cheese
A scientific hypothesis is a(n) ________. - CORRECT-ANSWERS testable
assumption used to explain an observation
What is the mass, in kilograms, of a human who weighs 130-pounds on Earth, on
the Moon? - CORRECT-ANSWERS about 59 kg
Which would have the most kinetic energy? The same mass of ________. -
CORRECT-ANSWERS a hot gas.
, Which of the following is the least amount of energy? - CORRECT-ANSWERS 1.0
joule
You take 50 mL of small ballbearings (BBs) and combine them with 50 mL of large
BBs and you get a total of 90 mL of BBs of mixed size. Which of the following
statements best explains this? - CORRECT-ANSWERS Many of the smaller BB's
are able to fit within the pockets of space that were originally empty between the
large BBs.
Which of the following best describes a gas? - CORRECT-ANSWERS The
molecules are moving quickly and are widely spaced.
Why do we use different units for mass and weight? - CORRECT-ANSWERS They
are two different quantities.
The value 300 joules could be a measure of ________. - CORRECT-ANSWERS
Both A and B- the energy content of an object (A), the amount of heat transferred
from one object to another (B)
Which would you rather have and why: a decigram or a kilogram of gold? -
CORRECT-ANSWERS a kilogram of gold because this is 10,000 times as much as a
decigram of gold
When you suck through a soda straw into a drink, what causes the drink to rise
into your mouth? - CORRECT-ANSWERS the weight of the atmosphere
Someone wants to sell you a piece of gold that they say is nearly pure. Before
buying the piece, you measure its mass to be 52.3 grams and you find that it
displaces 4.16 mL of water. Calculate its density and assess its purity given the
