electricity
plate tectonics
earth
solar system
stars and galaxies
100

when electricity travels in a circle

what is a circuit

100

3 types of plate boundaries

what are convergent, divergent, and transform boundaries

100

what are the highest and lowest points on earth

what are mount Everest and the Mariana trench

100

how many planets are in our solar system

8

100

what is our galaxie  

what is the milky way

200

the 2 types of current

what is alternating current and direct current
200

what in the ocean causes plates to be pushed

what is a mid ocean ridge

200

what are the 3 major layers of the earth

what is the mantle, core, and crust

200

largest planet in our solar system

what is juipiter

200
what is the nearest other star

proxima centauri 

300

2 types of circuits 

what are series circuits and parallel circuites

300

where one plate is pushed underneath another plate

what is a subduction zone

300

what is the small liquid layer inside earth

what is the outer core

300

what planet has the largest rings

what is saturn

300

nearest galaxy to the milky way

what is the Andromeda galaxy

400
the release of static electricity

what is static discharge

400

the movement of liquid in the mantle that causes plate tectonics 

what is a convection current

400

what is the temperature of the core

what is 10,000-11,000 degrees F

400

how many dwarf planets are in our solar system

5

400

how many stars are in the milky way

100-400 billion

500

who invented the first true elect circuit

who is Alessandro volta

500

the worlds largest mountain range created by 2 continental plates

what are the Himalaya's

500

how did we discover what the earth is made of

what are seismic waves

500

our solar systems diameter (from the heliosphere)

180 au (27 billion km)

500

what is at the center of the milky way

a supermassive blackhole Sagittarius auasterisk