Phases of Matter
What is the solid phase of water and how do those water molecules move in this state?
-water
-they are packed together/touching
-vibrating in place
False. Kinetic energy is the energy of motion.
What are the basic building blocks of all matter?
Atoms!
What does CER stand for?
Claim Evidence Reasoning
Explain Buoyancy using your own words:
Buoyancy is the upward force exerted by a fluid.
True or false: The particles of a liquid touch each other.
True. Particles in a liquid move freely around each other/bump into each other. They have density and take the shape of their container.
When an object slows down, its kinetic energy _________. (increases or decreases)
Decreases
What are the 3 subatomic particles in an atom? (what did I ask you to label on your quiz?)
protons, neutrons, and electrons
What is the purpose of reasoning?
Explains how your evidence connects to your claim.
Fluid that does not follow Newton's law of viscosity. In non-Newtonian fluids, viscosity can change when under force to either more liquid or more solid.
What are the two phase changes that skip the liquid state called?
Sublimation and Deposition
Explain why thermal energy would be considered kinetic rather than potential:
Thermal energy causes molecules to increase in speed- heating them up and causing them to MOVE.
Which two subatomic particles are found in the nucleus?
protons and neutrons
Which of these statements is objective? Which is subjective? 1. Alex Trebek holds the world record for hosting the most episodes of a single game show. 2. Alex Trebek is the best host of all time.
1. is objective
2. is subjective
What do an open and a closed system have in common?
They both exchange energy.
What is the phase change that occurs when dry ice hits room temperature?
sublimation
Which of these two options are forms of potential energy? Gravitational Energy or Elastic Energy
trick question! Both
What extremely small particles orbit the nucleus of an atom?
Electrons
True or false: Your claim is the same as your hypothesis.
False: A hypothesis is an assumption that is made BEFORE an experiment that can be tested and a claim is a statement that you make AFTER an experiment that you can support with evidence and research.
what is the difference between an independent and a dependent variable?
The independent variable is the one the experimenter controls. The dependent variable is the variable that changes in response to the independent variable.
What would happen to the molecules of gaseous argon as they lost heat?
They would slow down, move closer together, and eventually become liquid.
The kinetic energy of an object depends on its mass and this other factor.
Velocity/Speed
The number of protons in a nucleus is called the:
Atomic #
Explain the difference between qualitative and quantitative data.
Quantitative data tells us how many, how much, or how often in calculations. Qualitative data can help us to understand why, how, or what happened behind certain behaviors (descriptive).
which axis does the independent variable belong on?
Independent on the X, dependent on the Y.