math
science
social studies
history
100

what is 5x8?

5x8=40

100

what is the main source for a lightbulb?

the main source for a lightbulb is a battery

100

what was the main source for fire in the Oregon trail

bison dung

100

who was the first president in the united states

Abraham Lincoln

200

what is 11x12?

132

200

what is the energy source for in a circut

electricity

200

what was the spirit cave's man last meal

small chub fish

200

when did Abraham Lincoln die

1865

300

what is a sum?

a sum is a answer to a addition equation

300

what are the main sources for a plant to grow

water, sun, soil

300

what causes cholra

by drinking dirty water

300

when was the first the first lightbulb created

1879

400

what is a denominator?

a denominator is the bottom number of a fraction

400

what do earthquakes cause 

a tsunami

400

what is the most valuable mineral 

jadeite

400

when did the titanic sink

1912

500

what is 1736x4

6944

500

what makes the earth spin?

because its a sphere

500

when was the gold rush

1849

500

when did world war one start

1914