Geometry
Living things
Numbers
World Around Me
100

Scalene triangle

What kind of triangle has no equal sides?

100

This is a middle stage between larva and adult insect

What is pupa?

100

Mixed or Improper fraction

What fraction is always greater than 1?

100

I am in the air and help candles keep glowing. 

What is oxygen?

200

Cylinder 

Name a three dimensional shape with 2 circular bases and a curved surface

200

The organism used in the preparation of bread. 

What is yeast?

200

512 cm3

What is the volume of a cube whose side is 8 cm? 

200

This method is used to separate salt from salt water. 

What is evaporation?

300

Euclid

Who is the Father of geometry?

300

This is a pigment in plants that helps absorb sunlight. 

What is chlorophyll?

300

Googolplex

What is 10 to the power of googol? (1 followed by googol of zeros)

300

A simple machine that consists of a rope and a wheel. 

What is a pulley?

400

2l + 2b 

What is the form for the perimeter of a rectangle?

400

This system includes the brain and spinal cord. 

What is the central nervous system? 

400

Palindrome (e.g. 2442)

What is a number read the same backward as well as forward?

400

This form of energy is caused by moving charges.

What is electrical energy?