Scientific Method
What is one resource that could be used to do background research before an experiment?
Online, textbook, journal, another person
When part of an experiment does not change, it is called a(n)...
What units are used to measure mass in the Metric System?
Grams/kilograms
What is the density formula?
D = M/V
What is a scientific law?
Something that we can see happen. (Description of an observed phenomenon)
True or false: prototypes are designed when using the Scientific Method?
False
The variable that is manipulated during an experiment is called the...
independent variable
What units are used to measure the volume of a solid?
cm3
If hot air rises, does its density increase or decrease?
Decrease
What type of graph would be used to represent 100 people's favorite colors (as a percent)?
Pie chart
How many variables can be changed at once in an experiment?
One
The variable that is measured in an experiment is called the...
dependent variable
What piece of glassware would be used to find the volume of a liquid?
Graduated cylinder
What method is used to find the density of an irregular solid?
Water displacement method
The best graph to visualize the densities of six different mineral samples would be a...
bar graph
How could a scientist report their results after conducting an experiment?
Poster, research paper, verbally
A group that is used as a standard of comparison is called the...
Control group
How many grams are in 1 kg?
k h D __ d c m
1000
If an object with a density of 1 g/mL is dropped into a beaker of water, what will happen?
It will be suspended
What units are used when reporting density?
g/mL or g/cm3
True or false: you can reject a hypothesis.
How many times should a scientist conduct an experiment for it to be reliable?
At least three
What two scientific instruments would be used to find the density of an irregular solid?
Graduated cylinder and balance/scale
If a mineral has a mass of 5.7 grams and a volume of 16.4 cm3, what is its density? (Include units when you answer!)
0.35 g/cm3
What is the difference between an observation and an inference?
Observation: something you can see or measure
Inference: a conclusion that you make based on an observation