waves
simple machines
laws
periodic table
mystery
100
what are transversal waves

up and down waves 

100

what is a wedge 

 splits apart or stops it

100

newtons first law 

law of inertia. object at rest or motion will continue to do what it is doing unless acted on by an uneven force 

100

what is #1 of periodic table 

hydrogen 

100

who was the first african american woman in space 

mae jeminson 

200

what are longitudnal waves

in and out waves 

200

what is a screw

inclined plane around a cylinder 

200

newtons second law 

force equals mass times acceleration 

200

what is #2 on periodic table 

helium

200

who created the GPS 

Gladys West

300

what is frequency

number of wavelengths in a given point at a given time

300

what is an inclined plane

an inclined surface like a ramp and it helps reduce force but increases distance 
300

newtons third law 

opposite but equal reaction

300

what is sodium number on periodic table 

11


300

who created peanut butter 

george washington carver 

400

what is amplitude 

measured from the equilibrium to the crest/trough

400

what is a wheel and axel

two wheels on a bar in the middle 

400

law of conservation of energy 

energy can not be created or destroyed, just transferred 

400

what does the atomic number mean

number of atoms the element has 

400

who created the blood plasma bag 

charles drew 

500

what does the cochlea translate the vibrations into so the neurons can understand it

electrical energy 

500

what are the three types of levers 

1 class - fulcrum in the middle

2 class - load in the middle

3 class - effort in the middle

500

law of conservation of mass

mass can not be created or destroyed

500

protons and electrons are in the center of the atom 

false 

500

what element is Pluton

P.S its the superhero thing I did hope yall payd attention 

plutonium