States of Matter
What is a solid?
A state of matter with a fixed shape and volume.
Changes of State
The physical transition of a substance between its solid, liquid, or gas phases
What is mass?
The amount of matter in an object.
What is energy?
The ability to do work or cause change
What is an experiment?
A scientific test done to answer a question or solve a problem.
What is a liquid?
A state of matter with a fixed volume but no fixed shape.
What is freezing?
The change of a liquid into a solid when cooled.
What is volume?
The amount of space an object or substance takes up.
What is heat?
Energy transferred due to a temperature difference.
What is volume used to measure?
The amount of space something takes up.
What is a gas?
A state of matter with no fixed shape or volume.
What is evaporation?
The change of a liquid into a gas at the surface, below boiling point
What is density?
How much mass is packed into a certain volume
What is kinetic energy?
The energy of moving particles.
What property compares mass and volume?
Density.
What are particles?
Very tiny pieces that make up matter (atoms and molecules).
What is boiling?
The change of a liquid into a gas throughout the liquid at a specific temperature.
What does macroscopic mean?
Something that can be seen with the naked eye.
How does heat move?
From a hotter object to a cooler one
What process changes a gas into a liquid?
Condensation.
What is matter?
Anything that has mass and takes up space
What is sublimation?
The change of a solid directly into a gas without becoming a liquid.
What is condensation?
The change of a gas into a liquid when cooled.
What happens to particles when heated?
They move faster and spread farther apart
What term describes energy of motion?
Kinetic.