Physics
Science
Geography
Riddles
100

Complete the law: An object in motion will ... until acted by an outside ... .

... remain in motion ... force.

100

Which of the three ways do we feel heat from the sun? Convection, Radiation, Conduction.

Radiation, duhh

100

Which country has a greater population? China or India

China. It's population (1.351 Billion) India has (1.263 Billion)

100

Im tall when im young, and im short when im old.

Candle

200

100lb dumbell on the moon is going to weigh; MORE, the SAME, LESS than on earth?

LESSSSSSS

200

If two chemicals are mixed and they produce an 'endothermic' reaction, will if feel WARM or COLD to the touch?

Cold. "endothermic" reaction absorbs heat, so you would feel heat leaving your hand aka cold.

200

What is the largest continent?

Asia

200

The more you take, the more you leave behind.

Footsteps

300

Four men equally lift a square table at each corner, so each one carries 1/4 of the load. One guy lets go, how much load is each one carrying?

1/2, 0, 1/2  ( ͡° ͜ʖ ͡°)

300

Why don't birds get electrocuted when they land on an electric wire?

They are isolated, they are not touching anything else so current cannot pass thru them.

300

What is the smallest state in the US?

Rhode Island

300

Which building has the most stories?

The Library

400

A car is traveling at 30 mph for 1.5 hours, then it travels 90 mph for 1.5 hrs. How many miles has the car traveled for the entire 3 hrs?

180 miles. that was easy ( ͡ᵔ ͜ʖ ͡ᵔ )

400

If two astronauts are floating in empty space without air and one claps or screams cuz he's scared. Will the second guy hear him; LOUDER, SAME as on earth, NOT hear him?

Not hear him at all. Sound needs something to travel in, air, water, etc.

400

What is the largest island in the Caribbean Sea?  Cuba, Dominican Republic, Bahamas, Iceland

Cuba. I hope you didn't choose Iceland ಠ_ಠ

400

You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?

Кукуруза

500

Two identical cars collide head on. Each car is traveling at 50mph. The impact force on each car is the same as hitting a solid wall at: 25mph, 50mph, 100mph

50mph on impact both cars come to a stop, same would be if a car hit a solid wall.

500

One cup of ice (0C) combined with one cup of room temperature water (20C). Once the temperatures mix, will the final temperature be: LESS than 10C, 10C, MORE than 10C

LESS. hehehe, because ice will first use the heat from the water to melt and become water at 0C, then the two temperatures, 0C & less than 20C will result in less than 10C

500

How many time-zones does Russia span?

11

500

Whats black when you get it, red when you use it, white when you're thru with it?

Charcoal