Matter
Anything that has mass and takes up space.
What is matter?
The ability to do work or cause change.
What is energy?
A combination of two or more substances that are not chemically bonded.
What is a mixture?
A change that affects one or more physical properties of a substance without altering its chemical composition.
What is a physical change?
Properties that are characteristics of a substance that can be observed or measured without changing its identity.
What are physical properties?
Solid, liquid, gas
What are the states of matter?
Kinetic, potential, thermal, and chemical
What are the types of energy?
Mixtures that are uniform in composition, like salt water.
What are homogeneous mixtures?
A change that results in the formation of new substances with different properties.
What is a chemical change?
Properties describe a substance's ability to undergo chemical changes.
What are chemical properties?
Definite shape and volume.
Property of solids.
A moving car or a rolling ball.
An example of kinetic energy.
A mixture where the components can be seen and separated, like a salad.
What is a heterogeneous mixture?
Melting ice is an example of _________.
What is an example of a physical change.
Can be measured using a balance scale.
How can you measure mass?
The particles move freely and are far apart.
What happens to the particles in a gas?
Potential energy is stored energy, while kinetic energy is energy of motion.
How is potential energy different from kinetic energy?
Can be separated by filtration, evaporation, or using a magnet.
How can mixtures be separated?
Signs of a _______ change include color change or a new substance with different properties was formed.
How do you know a chemical change has occurred?
This is the amount of matter in a given volume.
What is density?
Changes through processes like melting, freezing, condensation, and evaporation.
How matter can change states.
Energy cannot be created or destroyed, only transformed from one form to another.
What is the law of conservation of energy?
Salt water is an example of a ____________.
What is an example of a solution?
This occurs when a substance (solute) breaks down into smaller particles and mixes with a solvent.
What is the process of dissolving?
This typically causes matter to change from solid to liquid to gas, while decreasing temperature can cause the reverse change.
How does temperature affects the state of matter?