1
2
3
4
5
100
A rainbow has this many colors.
BOUNUS: Name all colors.
Seven: red, orange, yellow, green, blue, indigo and violet (ROYGBIV)
100
This country has the most tornadoes.
The United States
100
The temperature when Celsius and Fahrenheit equal.
Minus 40 degrees
100
Sunset is the color on Mars.
Blue
100
Australia went to “war” with this animal in 1932.
The emu
200
The name for a volcano that’s not currently erupting.
Dormant
200
A Geiger counter measures this.
Radiation
200
The symbol for iron on the periodic table.
Fe
200
These two planets do not have moons.
Mercury and Venus
200
Beavers can hold their breath for this long.
15 minutes
300
This is how you tell the age of a tree.
Count its growth rings
300
A memory of a gold fish is this long.
At least six months
300
Diamond is composed of of this element.
Carbon
300
The moon is this shaped like this fruit.
Lemon
300
Giraffes have this many bones in their neck.
7
400
This element is the most commonly used to create nuclear energy.
Uranium
400
The red pigment found in vertebrates that functions in oxygen transport.
Hemoglobin
400
This element is named after the Greek word for greenish-yellow.
HINT: Think of a swimming pool.
Chlorine
400
It would take this many years to walk to the moon.
Nine years
400
A human can live without water for this long.
About one week
500
Molten rock before it has erupted is called this.
Magma
500
Hydrogen oxide is this.
Water
500
It would take this many years to fly by plane to Pluto.
800 years
500
She was the first woman in space.
Sally Ride
500
This internal organ is the heaviest inside the human body.
The liver