Atomic Structure
The Periodic Table
Atoms &Molecules
3rd grade science
2nd grade science
100
This is the center of an atom where the protons & neutrons are located.
What is the nucleus?
100
This is the order The Periodic Table is in.
What is proton number order?
100
Two or more of these make up a molecule.
What is a molecule?
100
This is the name of the gas in soda.
What is carbon dioxide?
100
This is the type of chemical that vinegar is.
What is an acid?
200
These are positively charged.
What are protons?
200
This is approximately the number of elements listed on The Periodic Table.
What is about 100?
200
2 hydrogen atoms and 1 oxygen atom.
What is water?
200
This is the first step of The Scientific Method.
What is "make observations"?
200
This is the 5th planet.
What is Jupiter?
300
These are negatively charged.
What are electrons?
300
This has 78 protons.
What is Platinum?
300
Salt is a molecule. Is it made of one atom of sodium or 2 atoms - sodium plus chlorine?
What is sodium plus chlorine.
300
This is the 2nd step of the Scientific Method.
What is "ask questions"?
300
This is what lava is called when it is inside the volcano.
What is magma?
400
These carry no charge.
What are neutrons?
400
The atomic number of this element is 82.
What is lead?
400
This is the smallest particle in an atom.
What is an electron?
400
An educated guess.
What is a hypothesis?
400
This leaf looks like a dinosaur foot.
What is a sassafrass leaf?
500
Matter that is made up of only one kind of atom.
What is an element?
500
This element has half the number of protons as iron.
What is aluminum?
500
How many atoms are in 2 water molecules?
What is 6?
500
This is what dish soap breaks up in milk.
What are fat molecules?
500
These types of animals have 8 legs.
What are arachnids?
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