Steps of the Scientific Method
The scientific method is a systematic approach to:
A. solving problems
B. making decisions
C. creating art
D. writing stories
A. solving problems
A researcher wants to study the impact of different types of lighting on student performance in a classroom. What is the independent variable?
Different types of lighting
What is the SI unit for time?
A. Hour
B. Minute
C. Second
D. Day
C. Seconds
How many grams is grams is 1 kg?
1000 grams
What is the proper format for writing a hypothesis?
"If, then because" statement
Control variables and constants are often used interchangeably in scientific experiments. Define constants or control variable
What SI unit should you use to measure the length of your phone?
centimeter (cm)
Convert 1.5 cL to mL
15 mL
What is a common method for presenting data?
What is independent variable?
what is being changed my the experimenter
What is the SI unit for volume?
liter (L)
How many centimeters are in a meter?
100 cm
If a scientist's experimental data does not support their hypothesis, they should
Continue to collect data OR consider other factors that might be affecting the result
What is dependent variable?
What is being measured
What SI unit would you use to measure the distance between I-1 and the cafeteria?
meter (m)
Convert 250 grams to kilograms
0.25 kg
Why is it important to repeat experiments multiple times?
To ensure the results are reliable
A scientist wants to test the effectiveness of a new drug on reducing headaches. What should be included in the control group?
A. Patients who receive the new drug
B. Patients who receive a placebo (a substance with no active ingredient)
C. Patients who do not receive any treatment
D. Patients who receive a different drug for headaches
B. Patient who receive a placebo
Define mass
Amount of matter in an object
Convert 200 minutes to hours