Which of the questions below can be answered scientifically? (Check box next to all correct answers.)
How far can a kangaroo rat jump?
Do skunks dislike squirrels?
How much water is necessary to keep grass green?
Are people who don’t like spicy food physically weak or just weak in character?
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- A
Testable elements
Data analysis
Explanation
Calculation
good hypothesis includes which of the following? (Check box next to all correct answers.)
Which variable is the one that is adjusted by the experimenter? (Check box next to all correct answers.)
Dependent variable
Independent variable
Constant variable
Of the following, which are required for personal safety in lab? (Check box next to all correct answers.)
Long pants or a long skirt that covers the ankles
Goggles
Hat or hood
Closed-toed shoes
Snake gaiters
Waterproof boots
Lab coat
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What do you do if the fire alarm goes off but you don’t smell smoke? (Check box next to all correct answers.)
Stay where you are. Some chuckle-head probably pulled the alarm to avoid a quiz.
Get out of the building and move to the designated rendezvous location.
Wait for directions from your lab instructor or other faculty or staff.
Go home immediately.
True or False? Because students will often work in teams during lab, it is appropriate for a student to copy homework answers from their team members.
The morning before a Biology 1 midterm, half of the students in a class were given plain water for breakfast while the other half were given an energy drink. The average exam scores of the two groups were compared to see if the type of drink has an effect on the students’ grades.
What is the dependent variable in this study?
What is the independent variable in this study?
Sample Solution