Riddles
Science
Math
Social Studies
Exercise
100

If you drop me, I'm sure to crack, but give me a smile and I'll always smile back. Who am I?

A mirror

100

What uses heat energy that is found inside of the earth?

Geothermal 

100

53

125

100

How many future U.S. Presidents signed the Declaration of Independence?

2

100

Do 10 Push-up

100 points

200

What has hands, but is not flesh, bone or blood?

A clock

200

What are the 3 main branches of science?

Physical, Life, Earth

200

What is the formula of the volume of a sphere?

4/3pi x R3

200

Who ran for President with the campaign slogan "Vote Yourself a Farm"?

Abraham Lincoln

200

Do 20 Sit-ups

200 points or 10 sit-ups for 100 points

300

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A coffin

300

NaCl + H2O

Salt Water

300

(a5)3

a15

300

What city was the first capital of the United States?

New York City

300

do 30 squats

300 points

400

X is an odd number. Take an letter away from X and it becomes even. What is that number?

Seven (Seven-S=Even

400

Earth is about _____ from the sun

91.95 million miles away

400

-3x+(-2)=-17

x=5

400

What is the capital of Japan?

Tokyo

400

Stand on 1 foot for 40 seconds

400 points

500

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

A stapler

500

Fill In the blanks:

__H2O + __CO2-> __O+ __C6H12O6

6H2O + 6CO2->6O2 + 1C6H12O6

500

On Thursday the Meat King Market sold 210 pounds of ground beef. On Friday they sold twice that amount. On Saturday they only sold 130 pounds. How much more meat did they sell on Friday than Saturday?

290 pounds

500

what is a tea act?

granted the British East India Company Tea a monopoly on tea sales in the American colonies.

500

do chair pose for 50 seconds

500 points