Intro To Science Question Preview (ID: 38240)


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Which of the following variables is manipulated by the scientist?
a) Dependent Variable
b) Control
c) Independent Variable
d) All of the above

Which of the following is measured at the end of the experiment?
a) Dependent Variable
b) Control
c) Independent Variable
d) none of the above

Which of the following is a good testable question?
a) How many marbles fit in a water bottle?
b) Does the time of day affect pollen levels?
c) How tall is Mr. Shaver?
d) How many Gummi bears can Mr. McGhee fit into his mouth?

The independent variable goes on the ____ axis of a graph.
a) X
b) Y
c) Z
d) C

The left column of a data table will contain the _____________________.
a) independent variable
b) dependent variable
c) controls
d) bigger numbers

A student is to determine how much salt will dissolve in 50 milliliters of water. Which tool is best for measuring the volume of water to be used?
a) thermometer
b) 25- milliliter beaker
c) 100 milliliter graduated cylinder
d) spring scale

Sam wants to measure 10 grams of salt. What lab equipment should he use?
a) triple beam balance
b) graduated cylinder
c) thremometer
d) spring scale

I set up an experiment to test how different types of fertilizer will affect plant growth. What would be my independent variable?
a) plant growth
b) sunlight
c) amount of water
d) fertilizer

I set up an experiment to test how music affects student performance on test. What is my dependent variable?
a) Music
b) student performance
c) the classroom
d) the test

A student want to determine if classroom lighting affects the number of student headaches? What would be the dependent variable?
a) time of day
b) type of lighting
c) Age of students
d) number of student headaches

An engineering company is testing a new weather-forecasting program. Which procedure would best verify that the program is making accurate predictions?
a) comparing the predictions of the program to the actual weather
b) comparing the predictions of the program to other predictions
c) using the program to verify events not related to weather
d) using the program to verify past weather-related events

The dependent variable goes on the __________ axis of a graph.
a) X
b) Y
c) Z
d) C

Which of the following is true about controls in an experiment?
a) You have to change them often
b) these are the variables that you measure
c) you can only have one control
d) you want to have many controls

A student recorded the speed of several blue cars vs. red cars over 1 day period. The average speed of red cars was 70mph, while the average of the blue cars was 68mph. The student concludes that red paint makes cars go faster. What was the error?
a) the conclusion was made based on two types of cars
b) the observation was made on several highways
c) the observation shows information for several times of day
d) the conclusion claims that their is a cause and effect without evidence

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