Scientific Method
Do you have to repeat every step of the scientific method each time you conduct an experiment?
No
What does a graduated cylinder measure?
volume
How many centimeters are in 1 meter?
100 cm
What is 500 in scientific notation?
5x10^2
You are testing how the amount of study time affects test grades. What could be a possible hypothesis?
Ex: The more time spent studying, the higher the test grades will be.
What is the difference between qualitative & quantitative data? Give an example of each.
Qualitative - quality (no numbers) ex: color
Quantitative - numbers ex: height
What does a balance measure?
Mass
1 meter is equal to how many kilometers?
0.001 km
What is 0.003 in scientific notation?
3x10-3
You are conducting an experiment to see how the amount of inflicted stress affects blood pressure. What could be a possible question/problem?
Does the amount of inflicted stress increase blood pressure?
What is the difference between the control & experimental groups?
The experimental groups receive the independent variable, while the control group does not.
When using a graduated cylinder, where should you measure from?
The bottom of the meniscus
3 mm = ___ cm
0.3 cm
What is 7 in scientific notation?
7x10^0
You are creating a new medicine to help cure cancer. You are testing a 0.5 M & 1 M concentration, along with a placebo. What is the control?
Placebo
If you add sugar to water, the freezing point will lower. What are the independent & dependent variables?
Independent - amount of sugar
Dependent - temperature/freezing point
What is the volume of water in the graduated cylinder?
21.5 mL
5 km = ___ m
5000 m
What is 8,500,000 in scientific notation?
8.5x10^6
You are testing to see how the amount of salt added to water affects the freezing point. What are some constants?
Amount of water, material of cup, same freezer, etc.
What are the steps of the scientific method?
Observation
Question
Hypothesis
Experiment
Analysis
Conclusion
What is the length of the pencil in mm?
55 mm
7 km = ___ mm
7x106 mm
0.0000000946
9.46x10-8
You are testing 3 types of tape to see which is the stickiest based on how long they stick to the wall. What is the dependent variable?
Time/stickiness