Solids, Liquids, and Gases
Which state of matter has a definite shape and definite volume?
What is a solid?
What change of state occurs when a solid becomes a liquid?
What is melting?
According to Boyle’s Law, what happens to pressure when volume decreases?
Pressure Increases
Which step of the scientific method involves making a testable explanation?
Forming a hypothesis
This popular school lunch side comes in shapes like “smiles,” “crinkles,” and “waffles.”
What are French fries?
In what state of matter do particles slide past one another but stay close together?
What is a liquid?
What is the term for a liquid turning into a gas at the surface of the liquid?
What is evaporation?
Which gas law states that volume increases as temperature increases (if pressure is constant)?
Charles' Law
An element is made up of only one type of ________.
atom
This streaming app is famous for shows like Stranger Things and Wednesday.
What is Netflix
The particles in which state of matter move the fastest?
What is a gas?
During which phase change does a gas turn directly into a solid?
What is deposition?
What happens to the speed of gas particles when the temperature increases?
They increase
What two factors determine an object’s kinetic energy?
Mass and Speed
In Minecraft, this green creature explodes when it gets near you.
What is a creeper?
What term describes the movement of particles in a gas spreading out to fill a container?
What is expansion?
Why does the temperature of a substance not change during a phase change?
Energy is used to break or form particle attractions, not to change temperature.
Why does a balloon shrink when placed in a freezer?
Gas particle speed decreases, lowering pressure and volume.
What type of energy transfer occurs when heat moves from one object to another through direct contact?
Conduction
What animal sleeps up to 22 hours a day?
What is a koala?
Which two factors determine the kinetic energy of particles in any state of matter?
What are mass of the particles and their speed?
What is the difference between boiling and evaporation?
Boiling happens throughout the liquid at a specific temperature; evaporation occurs only at the surface and at any temperature.
A gas in a sealed container is heated. Which variable must increase if volume can’t change?
Pressure
What is the difference between a physical and chemical change?
A physical change changes form; a chemical change produces new substances.
You’re stuck on a deserted island. Name one item from the “big three survival needs.”
What is water, shelter, or fire?