SI units are based of of this number
What is 10?
The 3 models used in science
What are a physical model, a mathematical model, and a conceptual model?
The factor in an experiment that is measured; changes as a result of manipulation of one or more other factors
What is a independent variable?
In the equation Y = kx, the slope of the line is represented by this constant
What is k?
A person who studies a community of living things and their environment
What is an ecologist?
The tool that measures mass of a substance to the volume of the substance
What is density?
The model that tries to put many ideas together to explain something
What is a conceptual model?
Factor in the experiment that is deliberately manipulated
What is a independent variable?
The value of the middle item when data are arranged in order by size
What is a median?
A possible explanation or answer to a question
What is a hypothesis?
3 tools you can use to make accurate measurements
What are a meter stick, a thermometer, and a Spring scale?
Models can also be tools to help you with
what is summarizing and wording new information?
The pattern of a graph
What is a trend?
The number obtained by adding up the data and dividing the sum by the number of individuals
What is a mean?
Most common accident in a lab
What is following directions
The tool used to measure mass
What is a balance scale?
Descriptive statement or equation that reliably predicts events under certain conditions
What is a law?
Factors that stay constant through the experiment
What is a variable parameter?
Helps calculate the slope of a line
What are rise and run?
Emergency medical care for someone who has been hurt or sick
What is first aid?
The tool used to measure force
What is a spring scale
A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
What is a theory?
The five steps you need to make a graph
What are axes, range, scale, data, points, and labels?
Represents the constant term in the equation y=kx
What is k?
The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
What is science?