It's Electric!
The two kinds of charges
What is positive & nevagtive?
The structure of a DNA
What is a double-helix
The two kinds of magnetic poles
What is north and south?
The age of the Earth
What is 4.56 billion years
The negative charge in an atom
What is an electron?
The letters of the four DNA bases
A, T, G, C
The pole on the Earth where the compass is pointing
What is the magnetic north pole?
When dinosaurs got extinct
What is 66 MYA?
The unit of energy
Where DNA is found
The nucleus of a cell
The symbols of the three magnetic materials
What is Fe, Ni, and Co?
The current era we live in
What is cenozoic
What is negatively charged?
The three things that make up DNA
What is sugar, base, and phosphate
To be a magnet, a magnetic domain has to be _____
What is aligned?
The longest era
What is Paleozoic?
An invisible force surrounding a charge
What are electric charges?
What DNA stands for
Deoxyribonucleic acid
The magnetic field on Earth is produced by it's _____
A type of fossil that is widespread
What is an index fossil?