Potential Energy
Energy that is stored
Potential Energy
As the distance between magnets increases, the attraction between them will –
decrease
A directional flow of electric charge
current
The star that Earth revolves around
Sun
Would you weigh more or less on Mars?
The ability to work or cause change
Energy
The tendency to pull other objects toward it
Attraction
_________ objects exert forces on each other.
charged
A self-luminous celestial body
star
What is the largest bone in the human body?
The femur (thigh bone)
A push or pull that can change an object’s motion
Force
The tendency to push other objects away from it
repulsive
What will happen as an electron (-) gets closer to a proton (+)?
The attraction will be stronger
Occurs when the full Moon passes into Earth’s shadow
Lunar Eclipse
What is the largest land animal alive today?
The African Elephant. It can weigh up to 7 tons.
A group of elements working together as a whole
System
When magnetic poles that are ____________
align, they will have an attractive force.
opposite
Matter with a surplus of electrons
Charged object
Occurs when the Moon passes between Earth and Sun, covering the Sun
Solar Eclipse
“For every action, there is an equal and opposite reaction” is an example of one of these.
Newton's Law
If you want to increase an object’s potential energy, what two things could you change?
You could increase the height of the object or increase the object's mass
How can the strength of an electromagnet increase?
Add more wire around it
When the currents of two electromagnets are increased, the size of the ____________ is increased
force
What is the measurement of the tilt of Earth's axis?
23.5 degrees
How many elements are listed in the periodic table?
118 elements