Vocabulary
a group of atoms joined together in a particular way
molecule
This happens to molecules movement when you transfer energy in
What is move faster
This is the largest country in the world
What is Russia
You have two substances, one with a strong and one with a weak attraction, and both are liquids right now. You need to add less energy to this substance to change to a gas.
The one with the weak attraction
This is how BabyWarmer PCMs transfer energy
What is releasing energy/transferring out?
the energy that an object has because it is moving
Kinetic energy
A scientist has a container with a substance inside. At first, the molecules in the substance move away from each other. Later, the molecules move around each other.
What is gas to liquid (Condensation)
Solve this equation (what is x)
5x - 30 = 20
the temperature at which a substance changes from the solid phase to the liquid phase
melting point
This state of matter moves in place
What is a solid?
the way molecules in a substance move around relative to each other
freedom of movement
This happens to molecules kinetic energy when they move slower
What is decreases?
Name 3 herbivores
Many options
Water has a _____ molecular attraction than alcohol
What is stronger?
This happens to the temperature/kinetic energy during a phase change on the phase change graph
What is stays constant/doesn't change? (temperature plateau)
What is temperature?
Mario is making chocolate. At the beginning of the chocolate-making process, the molecules were moving around each other. After the chocolate cooled the molecules moved in place .
What is Liquid to solid (Freezing)?
This is the movement of plates from the outer layer to the mantle.
What is subduction?
This stays the same for each substance no matter how much energy is added or taken away
What is attraction?
This is why water boils at a lower temperature at high elevations or on Mars.
What is lower pressure?
a pull between two molecules that is always the same for a substance
molecular attraction
Scientists put a sample of water into a sealed tank. Water can be a solid, liquid, or gas. At first, the molecules moving around each other. Then, the scientists transferred energy into the substance, and the molecules moved apart.
What is liquid to gas (Evaporating)?
Name the last three presidents before Trump
Who are Biden, Trump, and Obama
If enough energy is added to break the attraction of a substance, this will happen.
What is a phase change?
This is the reason food cooks faster in a pressure cooker.