When you make a ramp for a wheelchair, what type of simple machine
What is inclined planes
a force asserted by liquids or gases helps them float
What is buoyancy
states that energy cannot be created or destroyed
What is the law of conservation of energy
What is a covalent bond
shares electron Only between non-metals
palnts making their own food
What is Photosynthesis
Study of mechanical energy
What is Mechanics
A doorstop is a type of what machine
What is a wedge
Force that resist movement
What is Friction
in a closed system energy can neither be created or detstroyed only transferred or transformed (total energy)
First Law of Thermodynamics
What is an ionic bond
Between metal and non-metal
what are the charges to the parts of an atom
protons-positive
neutrons - nuetral
Electrons - negative
Most visible types of energy
Mechanical
a solid bar that rotates around a fixed bar
What is a lever
resist friction
Energy cannot be created or destroyed it can only change forms
What is law of conservation of mass
Do metals always gain or lose electrons
Lose electrons
which way do GROUPS go on the periodic table
Vertical (up and down)
The ability to perform work
What is energy
The point that hold the weight for the lever is called a
What is a fulcrum
a change in position due to an applied force
What is work
movement in a particular direction
What is momentum
How many electrons do you want in the first electron shell
2
How do I find the number of electrons
the atomic number
Brushing your teeth is known as what type of energy
Mechanical
The weight that is being moved is called
What is the resistance
Force is directly related to mass T or False
True
changes of momentum must be equal
What is the Law of Conservation of momentum
What are the three parts of atom
Protons
Neutrons
Electrons
Which way do PERIODS go on the periodic table
horizontal (across)
energy in motion
what is kinetic energy
The force that is being applied
What is the effort
What takes more work bowling ball or volleyball?
bowling ball
Will a lighter or heavier truck stop more quickly
lighter
what do you combine to make table salt
NACl
How do you find atomic mass
Protons + Nuetrons
Energy being stored
What is your arm or leg
work done over time or at the rate which its don
power
force
How many electrons are in the 2nd shell
8
A pure substance that cannot be broken into anything else
element
boulders on a ridge have
What is known as potential energy
A wheel barrier can represent what type of machine
lever
What is a mechanical advantage
(Example: a dolly to move furniture)
mechanical advantage
the strength held between two things such as a rope between two people
tension
What are the electrons on the outside ring called
Valene electrons
What two elements combine to make water
2 Hydrogen 1 oxygen
A charged battery has what type of energy
What is Potential