Scientific Method Vocabulary
An educated guess or prediction that is tested
What is the hypothesis?
The last step of the scientific method
What is draw conclusions?
On a line graph or bar graph, the __________ variable goes on the x-axis and the ___________ variable goes on the y-axis
independent, dependent
The tool we use to measure an object's mass
What is a triple beam balance?
The density of water
1.0 g/cm3
The factor that is being measured in an experiment
What is the dependent variable?
Factors in an experiment that must stay the same
What are constants?
In an experiment testing the effect of caffeinated drinks on energy levels, Ms. Bartley gives Nicole a coffee, Jagger an energy drink, and Tristan a water at 8 a.m. everyday for a month. Name the constant in this experiment.
The time of day they have the drinks (8 a.m.)
Multiply these three parts of a rectangular prism to find the volume
What is length, width, and height?
_______ measures the amount of matter in an object
Mass
The numerical information that we collect and put into charts and graphs at the end of the experiment
What is data?
The factor that is being tested and changed in an experiment
If I use fertilizer, then my sunflowers will grow taller. Name the dependent variable.
The height of the sunflowers
The formula for __________ is mass divided by volume
Density
The density of a rock with a volume of 10.0 cm3 and a mass of 30.0 grams
3 g/cm3
A question about a product or nature which can be answered by doing an experiment
What is the problem?
The step by step instructions that detail exactly how to perform the experiment, including the materials and methods you will use
What is the procedure?
A student hypothesizes that she will run faster when she wears Hoka sneakers rather than Nike sneakers. The brand of sneaker is the ___________ variable
independent
The method used to find the volume of an irregular shaped object.
What is water displacement?
The volume of a wooden cube with a side length of 5 cm
What is 125.0 cm3
In order to use it as a point of comparison, this factor of the experiment is treated like the other experimental groups, except that the independent variable is not applied
What is the control?
Scientists conduct many ________ of an experiment to confirm the accuracy of their results
Trials
Giovanna is testing if sunlight improves the mood of her classmates. She places 3 students in the schoolyard for 1 hour each day and 3 students in a dim room for 1 hour each day. Name the control group.
The students in the dim room
The curved surface of a liquid in a graduated cylinder
What is the meniscus?
If the volume of an object is greater than it's mass, the object will _____ when dropped in water
float