Earth's pull on objects
What is gravity
This happens when you put the north and south poles of a magnet together
What is attraction
This allows objects to exert forces on each other without touching
What are fields
The particles in an atom
What are protons, neutrons, and electrons
The force caused by rubbing two (2) objects together
What is friction
This stays the same no matter what
What is mass
Three (3) metals attracted to a magnet
What is iron, cobalt, steel, and nickel
Three (3) examples of fields
What is magnetic, electric, and gravitational fields
The atoms in one (1) molecule
What are two (2) hydrogen atoms and one (1) oxygen atom
The force caused by air that slows objects down
What is air resistance
This happens to your weight if you climb a mountain
What is reduces
True or False: All metals are attracted to a magnet
what is False
How do objects become charged
What is by rubbing against each other
The particle that is negatively charged
What is an electron
Newtons 1st Law of Motion
What is an object will not change unless acted upon by a force
This causes the ocean tides
What is the moon
True or False: If a magnet breaks in half, it still has two (2) poles
What is true
What is an electromagnet
What is a magnet that can be turned on and off
The field of science that studies atoms and molecules
What is chemistry
Newtons 2nd Law of Motion
What is the heavier an object is the harder it is to move
He wrote the universal law of gravity
Who is Sir Isaac Newton
The area around a magnet that can exert forces that attract or repel objects
What is a magnetic field
how do you increase the strength of a coilgun
What is by adding more coils
The chart used to find information about all elements
What is the periodic table
Newtons 3rd Law of Motion
What is for every action there is an equal and opposite reaction