Matter
This is anything that has mass and takes up space.
These are on the outside of atoms.
What are electrons?
This number tells you the number of protons in an element.
What is the atomic number?
This is what forms when one substance is dissolved by another substance.
What is a solution?
She is the current Vice President of the United States.
Who is Kamala Harris?
This is any substance or matter that has a known composition.
What is a chemical?
These two particles are on the inside of atoms.
What are protons and neutrons?
This number tells you the number of protons and neutrons in an atom.
What is atomic mass?
In a solution, this comes in a larger amount.
What is a solvent?
The Mississippi River empties into this body of water.
What is the Gulf of Mexico?
I am burning plastic. What kind of change is this?
Chemical Change.
This atomic particle carries a NEGATIVE charge.
What is the electron?
A nitrogen atom has an atomic mass of 16. How many neutrons does it have?
What is 9 neutrons?
Tracy mixes citric acid into water to make a sour drink. What is the solute?
Citric Acid.
She is the coordinator of curriculum and professional development at the Excel Center, and she substituted for my class twice.
Who is Riina Hirsch?
I am using a fire to heat up water until it boils. What kind of change is this?
Physical change
These atoms have the same number of protons but different numbers of neutrons.
What is an isotope?
An atom has an atomic number of 20 and an atomic mass of 42. How many neutrons does it have?
What is 22?
In a solution, this is what is being dissolved.
What is a solute?
This is the tallest structure in the city of St. Louis.
What is the St. Louis Gateway Arch?
This change does not involve the composition of matter.
What is a physical change?
These electrons are in the outer shell of any atom.
What are valence electrons?
This is the property that describes how reactive an element or compound is.
What is electronegativity?
Maddy pours detergent on her laundry to dissolve the dirt. What is the solvent?
Detergent
This Hispanic holiday traditionally comes one day after Halloween.
What is Dia de los Muertos (Day of the Dead)?