Scientific Method
A scientist wonders, “Does caffeine affect plant growth?” What step is this?
Recognize the problem / Ask a question
Name one important lab safety rule.
.....
How many centimeters are in 1 meter?
100 cm
What graph is best for showing parts of a whole?
Pie/Circle graph
What formula do we use to find the volume of a rectangular box?
L × W × H
“If mice get Vitamin D, then they will gain weight faster.” What step is this?
Form a hypothesis
A group receives a placebo. What kind of group is it?
Control group
What metric unit would you use for the mass of a sugar cube?
Grams
What graph is best for showing change over time?
Line Graph
Find the volume: 2 cm × 6 cm × 10 cm.
120 cm³
A scientist performs an experiment to see whether their prediction is correct. What step is this?
Test the hypothesis / Experiment
In a drug experiment, Group A receives the new drug and Group B gets a placebo. Which is the experimental group?
Group A
A microscope slide is 2 cm wide. How many millimeters is that?
20 cm
What graph is best for comparing one-time measurements?
Bar graph
Find the mode: 5, 17, 35, 27, 16, 98, 16, 35, 16, 20, 22, 4,
16
An experiment shows caffeine made plants grow more slowly. What step is this?
Draw conclusions
Why should scientists perform multiple trials?
To make results more reliable/accurate
What is the freezing point of water in Celsius?
0°C
Why do scientists organize information into graphs?
To make data easier to see, understand, and compare
Convert 15/16 to a decimal.
0.9375
What are TWO things scientists might do after reaching a conclusion?
Repeat the experiment and/or share their results
Name THREE variables that could affect the speed of a bicycle.
Examples: rider, surface, wind, bicycle, slope, etc.
What is the boiling point of water in Celsius?
100°C
A survey says 45% Mountain Dew, 25% cola, 15% Sprite, and 15% Root Beer.
Pie/Circle graph
Convert 15/16 to a percentage.
93.75%