Environmental Science Cumulative Exam 1
PASSED Exam Questions and CORRECT
Answers
Thinking and questioning is the start of the scientific inquiry process. - Correct Answer-true
A(n) hypothesis is a statement that describes how to measure a particular variable or define a
particular term. - C...
Thinking and questioning is the start of the scientific inquiry process. - Correct Answer-true
A(n) hypothesis is a statement that describes how to measure a particular variable or define a
particular term. - Correct Answer-false
Scientists' skepticism should be balanced with an ability to - Correct Answer-a. accept new
and different ideas.
Trying to explain why a cactus needs little water to survive is an example of - Correct
Answer-c. scientific inquiry.
Which of the following statements describes a scientific law? - Correct Answer-b. A scientific
law describes what occurs every time in a situation.
Which step of scientific inquiry involves organizing and interpreting the data? - Correct
Answer-b. Analysis
Scientific experiments must be able to be repeated by multiple scientists to verify the results
that are obtained. Which of the following is an example of a scientific question that could be
used to create an easily reproducible experiment? - Correct Answer-d. Does sugar or salt have
a greater effect on plant growth?
Which of the following is an inference? - Correct Answer-d. A cup with steam coming from it
will be hot to the touch.
An observation is _______. - Correct Answer-c. made using any of the five senses
A student conducts an experiment to determine how the amount of water given to a plant
affects its growth. - Correct Answer-b. the height of the plant
,An independent variable is - Correct Answer-a. directly changed by the experimenter.
An inference _______ - Correct Answer-a. is a possible explanation for events using prior
knowledge
What are the two categories of observations? - Correct Answer-a. qualitative and quantitative
A statement that can be proven by observation or measurement is known as a(n): - Correct
Answer-c. fact
Which step of scientific inquiry involves testing the hypothesis and collecting data? - Correct
Answer-a. Experimentation
It is rare to prove a hypothesis as incorrect through experimentation. - Correct Answer-false
Julia notices that the "check engine" light comes on while driving her car on days with
temperatures of over 100 degrees. What could be a plausible explanation for this? - Correct
Answer-b. Her engine overheats when the temperature outside is over 100 degrees.
A valid hypothesis must be testable. - Correct Answer-true
During the summer, after a big storm blows through, David notices leaks from his air
conditioner. Which of the following is the best explanation of the contributing factor for this
problem? - Correct Answer-a. The storm damaged the air conditioner.
What values can be obtained from the min/max thermometer? - Correct Answer-a. The
minimum, maximum, and current temperature.
What is the current temperature to the nearest degree for the thermometer shown below? -
Correct Answer-b. +4ºC
What was the minimum temperature to the nearest degree for the thermometer shown here? -
Correct Answer-d. -6ºC
, A transmission electron microscope would be the best microscope choice to study _______. -
Correct Answer-a. structures smaller than cells
Samples for a compound light microscope are typically prepared on _______ - Correct
Answer-a. glass slides
If an experiment involves a large volume of liquid a _______ would most likely be used to
hold it. - Correct Answer-d. beaker
Electron microscopes have much higher magnification than compound light microscopes -
Correct Answer-true
Which of the following is not used to hold liquids? - Correct Answer-c. balance
What is the function of an Erlenmeyer flask? - Correct Answer-a. contain reaction solutions
Electron microscopes have much higher magnification than compound light microscopes. -
Correct Answer-true
Which of the following microscopes provide 3D images of samples? - Correct Answer-b.
dissecting microscope and scanning electron microscope
If you wear contact lenses, why should you remove them while you are in the laboratory? -
Correct Answer-b. They can hold chemicals that accidentally splash into your eye next to
your eye and cause permanent damage.
Many types of scientific equipment are used to perform different functions in the science lab.
Which of the following combinations of equipment would be needed to bring one liter of
water to 85°C? - Correct Answer-b. graduated cylinder, beaker, thermometer and hot plate
Scientists use significant figures in order to provide precise measurements in recorded
data.Which measurement would not be possible to obtain from the triple beam balance
shown? - Correct Answer-b. 463.455 g
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