Properties of matter
Uses of Energy
Properties of Mixtures and Solutions
Equal and Unequal Forces
Behavior of Light
100
What type of change occurs when an object changes appearance but not the type of matter (melting, cutting, dissolving).
What is a physical change
100
______ is the ability to do work or cause change.
Energy
100
mixtures where particles are visible and settle out (muddy water).
What are Suspensions
100
It causes a change in motion, such as speeding up, slowing down, or changing direction
What are Unbalanced forces
100
This lets some light through but scatters it (wax paper, frosted glass).
What is Translucent
200
produces a new substance with new properties (burning, rusting, baking).
A chemical change
200
– heat energy due to particle motion
Thermal energy
200
homogeneous mixtures where one substance (solute) dissolves in another (solvent).
Solutions
200
a push or pull on an object.
A force
200
When light bounces off a surface.
What is Reflection
300
Matter has _____ and takes up _____
what is mass and space
300
The five major forms of energy
What are Mechanical, electrical, thermal, Light (Radiant), and Sound energy
300
Mixtures can be _______ ___ _________ ______such as filtration, evaporation, or magnetism.
separated by physical means
300
According to Newton’s First Law, an object will stay at rest or move at a constant speed unless acted upon by this.
What is an unbalanced force?
300
when materials take in light energy, often converting it to heat.
What is Absorption
400
something that describes how a substance reacts to form new substances — examples: flammability, reactivity, rusting, or tarnishing.
Chemical properties
400
When one form changes into another (e.g., electrical → light in a lamp, chemical → mechanical in muscles).
What is Energy transformation?
400
a physical combination of two or more substances that keep their original properties.
What is A mixture
400
These forces are equal in size and opposite in direction — they cancel each other out, causing no change in motion (object stays still or moves at constant speed).
What are Balanced forces
400
When light passes through a material (window glass, air).
What is Transmission
500
A _________ produces a new substance with new properties (burning, rusting, baking).
chemical change
500
When energy cannot be created or destroyed, only transformed or transferred.
What is the Law of Conservation of Energy
500
When water acts as the solvent.
What is an aqueous solution
500
What is this a picture of
Unbalanced forces
500
When light spreads in many directions due to particles in the air or medium.
What is Scattering