Heat transfer of energy that comes from the sun
What is Radiation?
True or False: Heat transfers from colder objects to hot objects.
FALSE
a change in matter in which the substance that makes up the matter change into other substances.
chemical change
Which two particles are found in the nucleus of an atom?
Protons and Neutrons
______ energy is the energy of motion.
What is kinetic energy?
What are two ways to strengthen an electromagnet?
Add more coils, add a stronger battery
Point where KE is highest and lowest
Kinetic Energy highest - Point X
Kinetic Energy lowest - Point W
a positively charged atomic particle
proton
Motion happening between 5:00 and 5:30
At rest. Stationary object
Type of wave behavior seen here. Light BENDS
What is refraction?
Mass per unit volume of an object as compared to pure water. _ =M/V
What is Density?
Of the following choices, these are signs of a chemical change:
-change in color, size and shape
-change in color, produces gas and heat
-change in states of matter (freezing, melting, boiling)
change in color, produces gas and heat
What cannot be broken down into any simpler piece of matter?
element
What are the horizontal rows in the Periodic Table called?
periods
Baking bread in an oven is an example of a chemical or physical reaction?
What is a chemical reaction?
What does the law of conservation of energy state?
Energy cannot be created or destroyed, only transformed from one form to another.
new substances formed in a chemical reaction(appears on the right side of the chemical equation)
products
Which reaction can be reversed? Physical or Chemical
What is a Physical reaction?
Type of motion that this graph indicates
Constant motion (speed)
Number of protons, neutrons and electrons in Potassium - remember APEMAN
19 - protons
19 - electrons
20 - neutrons
Sublimation is a change from a
Solid to a gas
Point with highest and lowest potential energy
PE highest at W
PE lowest at X
What type of wave requires a medium to travel through?
Mechanical Waves(ex: sound waves)
When heat transfers from two things at different temperatures and must be touching
What is conduction?
a change in the size, shape, form, or state of matter that does not change the identity of the matter.
physical change