Magnetism
What are the two poles of a magnet
North, south
What Carries electricity
conductors
What are atoms
The smallest unit of ordinary matter that forms a chemical element (answers vary)
Name the first 5 elements of the periodic table
Hydrogen, helium, lithium, beryllium, boron
Name 3 planets in the Milky Way
Earth, Venus, Mercury, Mars, Saturn, Uranus, Jupiter, Neptune. (Pluto, Ceres, Orcas are exempted answers)
The earth is like a magnet true or false
True
What do you call something that electricity cannot pass through
Insulators
What are the three basic components of an atom
Protons, neutrons, and electrons
Spell the 4th element from the periodic table
Beryllium
Name two types of cell
Plant, animal (answers vary)
The magnetic and geographical north and South Pole of the globe are the same. true or false
False
What are two types of electric charges?
positive and negative
What charge does a single electron have, positive, negative or neutral
Negative
What elements are in a bone
Calcium, collagen
What is the jelly-like substance in cells called?
Cytoplasm
What are ferromagnetic materials
A ferromagnetic material has a spontaneous net of magnetism
What is the law of Electric Charges
opposite charges attract each other, and similar or same charges repel each other
Maximum amount of electrons an atom can have
8
Name one element that sublimes
arsenic
What is the visible part of the sun called
The photosphere
Who discovered magnetism
Magnes was the first to discover magnets, but William Gilbert was the first person to make a magnet
How are magnetism and electricity related
Flowing electrons cause a magnetic field, and spinning magnets cause an electric current to flow. The interaction of these two important forces is called eomagnetism.
Who first theorized atoms existance
a greek philosopher, Democritus.
What is the approximate atomic weight of oxygen
16
Name 3 specialized cells
Red blood cells, White blood cells, Platelets, Muscle Cells, etc