Atoms
Elements
Molecules
Compounds
Scientific Method
100
Atoms are composed of these 3 subatomic particles?
What are protons, neutrons and electrons?
100
Substance made up of only one kind of atom.
What is an element?
100
Two hydrogen atoms and one oxygen molecule make up one molecule of this.
What is one molecule of water?
100
The chemical formula for table salt.
What is NaCl?
100
True or False: A hypothesis is not useful if it proves false.
What is false. A hypothesis must be always be testable.
200
Particle with a neutral charge in an atom.
What is a neutron?
200
H is the chemical symbol for this element.
What is hydrogen?
200
The number of sodium atom in table salt. Hint: the symbol for table salt is NaCl
What is 1 sodium atom?
200
The chemical symbol for water.
What is H20?
200
An educated guess or prediction for what might happen in an experiment.
What is a hypothesis?
300
Center of the atom that makes up most of the atom's mass.
What is the nucleus?
300
Chart used by scientist to list all the elements.
What is the periodic table?
300
All matter in the universe can be described as this.
What is atoms or molecules?
300
The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?
300
The step of the scientific method where you make graphs, look for patterns, and think about what happened.
What is analyzing data?
400
Particles located in the nucleus of an atom.
What are protons and neutrons?
400
The number of hyrogen atoms in a molecule of H2.
What is two?
400
The definition of a molecule.
What is a particle that contains more than one atom joined together?
400
The chemical formula for carbon dioxide.
What is CO2?
500
The number of protons a hydrogen atom has.
What is 1 proton.
500
The element with atomic number 6.
What is carbon?
500
The number of carbon atoms in carbon dioxide. Hint: The formula is C02.
What is one carbon atom?
500
The definition of a compound.
What is two or more different atoms joined together?
500
The difference between control group and experimental group.
What is: The control group is a standard by which the scientist can compare results from the experimental group. The experimental group receives the experimental factor. The control group does not.
M
e
n
u