What is mass?
How much matter is inside of something.
What is an atom?
The smallest particle of an element that keeps the properties of the element.
Which law states that for every action there is an equal and opposite reaction
Newton's 3rd Law of Motion
What three things do you need to start a fire?
oxygen, fuel, and heat
At what temperature does water boil?
212 degrees F
100 degrees C
What are the three states of matter?
Liquid, gas, solid
What is an element?
A substance made up of only 1 kind of atom.
What is friction
A force that resists movement between two objects.
What is the earth's core made of?
mostly liquid iron
What temperature does water freeze at?
32 degrees F
0 degrees C
Which state of matter are molecules most active?
Gas
What is the charge of a proton?
Positive
What is kinetic energy?
energy in motion
Hydropower
biofuels
geothermal
wind
solar
hydorgen
What do you call the device that moves around and around on a treadmill?
A drive belt?
What is denser-
A 1 inch block of gold or a 1 inch block of wood?
1 inch block of gold
Which kind of reaction changes a substance into a different substance?
A chemical reaction.
What do we call vibrations that travel through a material from a source?
sound
What is the law of universal gravitation?
All objects are attracted to other objects according to their mass and distance.
What is an electromagnet?
An electric current that can be turned off and on.
Which two states of matter do not have a particular form or shape but take on the shape of their container?
Gas and liquid
What do we call a mixture in which the individual parts can be easily seen?
Heterogeneous
What does ROYGBIV stand for?
red, orange, yellow, green, blue, indigo, violet
What are the two kinds of invisible light at each end of the light spectrum?
Entropy or the 2nd law of thermodynamics.
What is friction?
A force that resists movement between two objects.