Atoms and Molecules
Properties and States of Matter
Chemical Reactions
Energy, Motion and Forces
Electricity and Magnetism
100
The smallest unit of matter that cannot be broken down into smaller particles by chemical means.
What is an atom?
100
Defined as anything that has mass and takes up space.
What is matter?
100
Substances produced by chemically combining reactants.
What are products?
100
Defined as the capacity to do work.
What is energy?
100
The movement of charged particles, usually electrons, through a conductor substance.
What is electric current?
200
The names of the 3 types of subatomic particles
What are protons, neutrons, and electrons?
200
The amount of matter an object contains.
What is mass?
200
This is an example of:
What is a chemical formula?
200
States that energy can neither be created nor destroyed, it can only change in form.
What is the law of conservation of energy?
200
Electricity can be used to produce this type of field, allowing an ordinary piece of metal to act like a magnet.
What is a magnetic field?
300
These are created when atoms of the same or different elements are held together with chemical bonds.
What are molecules?
300
The force that determines the weight of an object.
What is gravity?
300
This type of chemical reaction absorbs energy.
What is Endothermic?
300
The concept that relates to a change in speed -- either speeding up or slowing down.
What is acceleration?
300
A substance such as silicon, which is part conductor and part resistor allowing a flow of low-voltage electricity.
What is a semi-conductor?
400
The physical combination of two or more substances that keep their own properties.
What is a mixture?
400
Color, texture, melting, and boiling points are examples of this.
What is properties of matter?
400
When cooking, this is the type of energy is used to light the gas thus starting a chemical reaction.
What is activation energy?
400
This concept explains why is takes more energy to stop a large truck than a small car.
What is momentum?
400
A complete pathway for the flow of electric current.
What is a circuit?
500
In this type of chemical bond, atoms gain or lose electrons and become ions.
What is an ionic bond?
500
The substance in which a solute is dissolved.
What is a solvent?
500
A substance found in batteries and in the stomach, which is strong enough to breaks down other substances. It can be very useful, but can sometimes cause damage. It can be found in more dilute forms in sour-tasting foods like lemons.
What is an acid?
500
Newton's first law, which states that objects in motion tend to stay in motion and objects at rest tend to stay at rest.
What is the law of inertia?
500
A device that can either increase or decrease the voltage of an electric current for effective transmission.
What is a transformer?