Science
Water is made up of these two elements.
What are oxygen and hydrogen/(H2O)?
This is what phones connect to when using the Internet.
What is WiFi?
This branch of engineering studies machinery.
What is mechanical engineering?
When you see x in an equation, this is called a(n) _____.
What is a variable?
The _____ are the powerhouse of the cell.
What are mitochondria?
This element can be used to inflate balloons.
What is helium?
What are windmills?
The volume of a cube is equal to this.
What is length*width*height?
Atoms are made up of these three parts.
What are electrons, protons, and neutrons?
This kind of engineering involves using heat from the Earth.
What is geothermal engineering?
2πr is the _____ of a circle.
What is the circumference?
This part of the cell is found in plant cells, but not in animal cells.
What is the cell wall?
This kind of engineering involves working with highly radioactive materials.
What is nuclear engineering?
Fractions consist of these two parts.
What are the numerator and denominator?
When cells split into two parts, this process is called _____.
What is fission?
This system in the body includes the brain and spinal cord.
What is the central nervous system?
In computers, ROM stands for _____.
What is read-only memory?
5x2 - 2 = 10.
The value of x is _____.
What is +/- √(12/5).