Waves
This type of wave needs a medium to travel through.
What is a mechanical wave?
This state of matter has a definite shape and volume.
What is a solid?
Acids have a pH lower than this number.
What is 7?
The flow of electric charges.
What is electricity?
A sign that a chemical reaction has occurred is a change in this property.
What is color?
the distance between two wave crests.
What is wavelength?
the process of a liquid changing into a gas.
What is evaporation?
bases feel like this to the touch.
What is slippery?
Materials that allow electricity to flow easily.
What are conductors?
The substances at the start of a chemical reaction.
What are reactants?
Waves that can travel through empty space
What are electromagnetic waves?
This state of matter has no definite shape or volume.
What is a gas?
This ion is produced by acids in water.
What is the hydrogen ion (H⁺)?
BONUS!!!: the amount of current is directly proportional to the voltage difference.
What is ohms law?
The substances formed in a chemical reaction.
What are products?
used in night vision goggles, remote controls, and infrared photography.
What are infrared waves?
The change from solid directly to gas.
What is sublimation?
The reaction between an acid and a base is called this.
What is neutralization?
This circuit has more than one path for current to travel.
What is a parallel circuit?
A reaction that absorbs energy is called this.
What is an endothermic reaction?
the bending of waves caused by a change in its speed as it moves from one medium to another.
What is Refraction.
This state of matter is made of charged particles and is found in stars.
What is plasma?
this scale measures how acidic or basic a substance is.
What is the pH scale?
BONUS!!!:
What is the voltage difference in a copper wire if acurrent of 0.9 A is flowing through it? The resistance of the wire is 10 Ω.
V=8V
The law stating matter cannot be created or destroyed.
What is the Law of Conservation of Mass?