Let’s solve this crossword puzzle step by step. We’ll go clue by clue, using basic chemistry knowledge that a student would learn in middle or high school.
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Across Clues:
1. *The subatomic particle of an atom that has a negative charge is called a(n) ______.*
→ That’s the
electron. (Electrons are negative, protons are positive, neutrons are neutral.)
5. *A chemical ______ occurs when 2 or more molecules interact with each other causing the molecules to change.*
→ This is a
reaction. Chemical reactions involve changes in molecules.
6. *The 4 fundamental states of matter are: solid, liquid, gas and ______.*
→ The fourth state is
plasma. (Sometimes taught as the 4th state after solid, liquid, gas.)
9. *The subatomic particle of an atom that does not have an electric charge is called a(n) ______.*
→ That’s the
neutron. No charge = neutron.
11. *The ______ gases are found in group 18 of the periodic table...*
→ These are the
noble gases. Helium, neon, argon, etc., are noble gases.
13. *The amount of matter in an object*
→ That’s
mass. Mass measures how much matter is in something.
14. *Organic chemistry is the branch of chemistry that deals with compounds containing ______.*
→ Organic chemistry focuses on
carbon-based compounds.
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Down Clues:
2. *How many hydrogen atoms are in a molecule of water?*
→ Water is H₂O → so
two hydrogen atoms.
3. *The positively charged subatomic particle in the nucleus of an atom is called a(n) ______.*
→ That’s the
proton.
4. *The chemical element with atomic number 1. It's the first element in the periodic table.*
→ Atomic number 1 is
hydrogen.
7. *The ______ table is a tabular arrangement of the elements.*
→ The
periodic table.
8. *A type of material that is considered a good conductor of electricity and heat*
→ That’s a
metal. Metals conduct well.
10. *The central core of the atom containing protons and neutrons*
→ That’s the
nucleus.
12. *A charged atom or molecule (the number of electrons is not equal to the number of protons)*
→ That’s an
ion.
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Now let’s check if all answers fit the grid based on letter counts and intersections. But since we don’t have the actual grid layout visible here, we rely on standard crossword logic and common terms. All these answers are standard chemistry vocabulary and match the clues perfectly.
Final Answer:
Across:
1. electron
5. reaction
6. plasma
9. neutron
11. noble
13. mass
14. carbon
Down:
2. two
3. proton
4. hydrogen
7. periodic
8. metal
10. nucleus
12. ion
Parent Tip: Review the logic above to help your child master the concept of chemistry puzzle worksheet.
