This is the scientists's first step when designing an experiment.
Think of a question or a problem to solve
The basic unit of measurement for distance
Meter
This type of key is arranged in steps with two descriptive statements at each step. It is a detailed list of identifying characteristics.
Dichotomous key
The smallest part of an element with all the properties of that element
Atom
This cell part allows substances to enter and exit the cell
Cell membrane
A guess or a prediction
Hypothesis
The basic unit for measuring liquids
Liter
A two-word naming system for organisms; first word is the genus and second word is the species.
Binomial nomenclature
The number of protons in the nucleus of an atom
Atomic number
This is the "control center" of the cell
Nucleus
The variable that is manipulated or changed by the scientist
Independent variable
The basic unit for measuring mass
Gram
the name used for a species by the community in a local area
Common name
This atomic particle has a negative charge.
electron
The protoplasm that is outside the nucleus where organelles are located
Cytoplasm
Collecting data is part of this step
Performing the experiment
This is the basic unit of measurement for temperature
degrees Celsius
A group of organisms that share similar characteristics and can reproduce among themselves.
Species
These four elements are the most abundant in the human body
Carbon, hydrogen, oxygen, and nitrogen
A small organelle located on the endoplasmic reticulum where proteins are made
Ribosomes
Scientists use this tool when analyzing their data to get a better picture of their results
Graph
There are _________ centimeters in one meter.
100
The Genus name for all maple trees is __________
Acer
How many oxygen atoms are in the chemical formula 6CO2
Twelve
The two cell parts that are specifically found in plant cells.
Chloroplasts and cell wall