Unit 1- Experimental Design
Hypothesis
What is an educated if then statement or guess?
Melting
What is when an object goes from a solid to a liquid?
Smallest unit of matter
What is an atom?
pure substance made of one kind of atom
What is an element?
A paper on fire
What is a chemical change?
Controlled variable
What is the variable that stays the same?
Feliz Navidad
What is Merry Christmas in Spanish?
Proton
What is positively charged subatomic particle?
a combination of two or more pure substances that can be separated by physical methods
What is a mixture?
Matter can not be created or destroyed
What is the Law of Conservation of Mass?
He began to dance around
Who is Frosty the Snowman?
Ability to dissolve
What is solubility?
Electron shells
What is the location electrons are found in an atom?
H (Hydrogen)
What is an element?
Reindeer names that start with a "D"
Who is Dancer, Dasher, and Donner?
Independent variable (define it!)
What is the variable you change in an experiment?
Thermal Conductivity
What is the property of matter that measures the ability of an object to transfer heat?
Number of protons in one atom of an element
What is the atomic number?
SO₂ + O₃
What is a mixture?
Chemical reaction rate increases
What is when the temperature is increased?
He said “Christmas doesn’t come from a store, maybe Christmas perhaps means a little bit more?”
Who is the Grinch?
Measured in grams (g)
What is mass?
Number of protons and neutrons in one atom of an element
What is the atomic mass?
CO₂ (Carbon Dioxide)
What is a compound?
Painting the wall purple
What is a physical change?