What is an atom?
A) The biggest particle of matter
B) A type of heat
C) A light particle
D) The smallest particle of matter
D
Is the shininess of an object considered a physical or chemical property?
Physical property
What are all 3 types of states of matter that we’ve learned about?
Solid, liquid, and gas
What do you need to do to turn a liquid into a gas?
Add heat
What is the first step of the scientific method?
Ask a question
What is the definition of matter?
Is burning wood a chemical or physical change?
Chemical change
What state of matter has the slowest particles?
A solid
What is it called when a liquid becomes a solid?
Freezing
What do you call a rock that has melted?
Lava
Mass divided by volume gets you what?
Density
Is a bar of gold melting down into liquid gold considered a physical or chemical change?
Physical change
What is a solid?
A) A substance with a definite volume and definite shape
B) A substance with a definite volume, but not a definite shape
C) A substance without a definite volume nor shape
A
What is condensation?
When a gas turns into a liquid
Water droplets are ____________ in the air, like pulp in orange juice
suspended
What is a compound?
A) 2 or more different substances mixed together
B) A substance made of 2 or more elements held together by chemical bonds
C) A pure substance
B
In the fall, leaves on a tree may turn brown and fall off the tree. Is this a chemical or physical change?
Chemical change
What state of matter takes the shape of its container but has a fixed volume?
Liquid
What is it called when a liquid turns into a gas?
Vaporization/Evaporation
When you melt a candle, what is the gas called?
Smoke
What is carbon dioxide?
A) an atom
B) a molecule
C) an element
D) a shape
B) a molecule
You erase your answer for a math problem and the eraser leaves behind little pieces. Is this a chemical or physical change to the eraser?
Physical change
What is H2O called when it is at -10 degrees Celsius?
Ice
What is it called when a gas turns into a solid?
Deposition
What is the freezing point of water?
0 degrees Celsius or 32 degrees Fahrenheit