A frog leaping up off his lily pad is pulled downward by gravity and lands on another lily pad instead of keeping straight.
First
100
Metal is a good conductor of heat?
TRUE
100
Acceleration
the rate of change of velocity per unit of time
or
increase in the rate or speed of something.
100
Fe + Cl2
FeCl3
100
What is a salt?
any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.
200
As the fuel in a rocket ignites, the force of the gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward.
Third
200
If tires have enough momentum, the inertia inside them will not let them speed up.
FALSE
200
Velocity
the speed of something in a given direction
200
H2 + O2
H2O
200
What is an acid?
a molecule or other entity that can donate a proton or accept an electron pair in reactions.
300
When you are standing up in a subway train,and the train suddenly stops, your body continues to go forward.
First
300
Melting is a chemical change
False
300
Mass
A measure of how much matter is in an object
300
distance / time
speed
300
What is an amnio acid?
a simple organic compound containing both a carboxyl
400
After you start up your motor bike, as you give it more gas, it goes faster.
Second
400
Helium is also known as "Natures Breeze"
False
400
Friction
the resistance that one surface or object encounters when moving over another.
400
distance / time with a direction.
velocity
400
What is pH
a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline.
500
A pitched baseball goes faster than one that is gently thrown.
Second
500
Motion and speed were discovered when in 30 B.C a man named Herod ran over his wifes foot with the first wheel ever made on his way to show King Joseph.
FALSE
(If you said true im laughing at you from very far away)
500
Inertia
a property of matter by which it continues in its existing state of rest or uniform motion in a straight line
500
mass x acceleration
force
500
What is sodium hydroxide?
a strongly alkaline white deliquescent compound used in many industrial processes,