Atoms
The nucleus of an atom contains these atomic particles
Protons and neutrons
This is the first step when solving a problem.
State the problem or the question.
Combined atoms form these
Molecules
Elements are arranged in the Periodic Table according to these numbers
Atomic number
The basic unit for measuring mass
Gram
This atomic particle has a negative charge
Electron
A guess or a prediction
Hypothesis
Table salt is a compound made of these two elements
Sodium and chlorine
Magnesium has this atomic number and a magnesium atom has this number of electron shells
Atomic number is 12 and it has 3 electron shells
The unit of measurement used to measure a tiny insect wing
Millimeter (mm)
The nucleus of an atom has this electrical charge
Positive
A variable that is manipulated or changed by the scientist
Independent variable
Electrically charged atoms are called this
Ions
Color change and/or the creation of a gas (bubbles) indicate this has happened
a chemical reaction
The basic unit of measurement for temperature
Degrees Celsius
These are the building blocks of matter
Atoms
Collecting data is part of this step in the scientific method
Performing the experiment
Salt dissolves in water to become this
a solution
A molecule of water has this number of atoms
Three
The basic unit for measuring volume
Cubic centimeter (cm3) or milliliters (ml)
Two atoms of the same element
that have different mass numbers are called this
Isotopes
Scientists use this tool to analyze the data and get a better picture of their results
Create a graph
Electron in the outer most shell of an atom are called this
Valance electrons
These 3 elements are important in order to have healthy soil
Nitrogen, potassium, and phosphorus
A tool used to measure small amounts of liquid in milliliters
graduated cylinder