Show:
Reproduction
Chemistry
Electricity
Space
Bonus
100
The number of days that a red blood cell can survive...
What is 120 days?
100
Scientists believe that all matter is made up of atoms containing particles that possess electric charges. True or False
True
100
Why is a PC monitor covered in dust?
Because the dust is attracted to static charges in the monitor.
100
The study of what is beyond earth is called....
What is astronomy?
100
23 is the number of what?
What is chromosomes?
200
When cell division goes out of control it is called....
What is cancer?
200
What are the four elements?
What is earth, air, fire and water?
200
Transferring an electric charge from one substance to another by rubbing is....
What is charging of friction?
200
This consists of the sun and nine other planets...
What is the solar system?
200
A chunk of ice and dust that travels in a very long orbit around the sun is called...
What is a comet?
300
What kind of cells do human skin, bone marrow and some other tissues contain?
What is stem cells?
300
Gold, silver and nickel are all kinds of what?
What is heavy metals?
300
A substance in which electrons cannot move freely from atom to atom is....
What is are electrical insulators?
300
A belief that the stars were attached to a large ball that revolved around the Earth once every day is called....
What is Earth-centred Universe?
300
Atoms that have become charged are
What is ions?
400
A tiny, oval-shaped organelle that provides cells with energy is called....
What is Mitochondrion?
400
Carbon dioxide is poisonous. True or False.
True
400
An electrical component that restricts the flow of electrical currents is....
What is a resistor?
400
A small, very dense object with a force of gravity so strong that nothing can escape from it is....
What is a black hole?
400
An object that travels in orbit around another object is...
What is a satellite?
500
This is a disease that affects 1 in 2500 Canadians.
What is cystic fibrosis?
500
When a nucleus has a tendency to break apart and eject very high energy particles into its surroundings...
What is radioactive?
500
This is what happens when two polythene rods with the same charge are brought near each other.
What is repel?
500
Groups of stars that are fairly close and travel together are called....
What is star clusters?
500
What is it called when you have the ability to regrow a tissue, an organ or a part of the body?
What is regeneration?