Forces
Newton's Laws
Motion & Mass
Electromagnet
Cells and Structures
100
This is defined as a push or a pull on an object
Force
100
This law says an object at rest stays at rest unless acted on by an unbalanced force.
Newton's 1st Law
100
Which has MORE Inertia: A rolling ball or a 600 lb object at rest?
600 lb object
100
Where is the force the strongest on a bar magnet?
At the poles (ends)
100
This is a type of cell that HAS a nucleus.
Eukaryotic Cell
200
The unit used to measure force
Newton (N)
200
The property that describes the resistance to change in motion
Inertia
200
What happens when friction is applied to a moving object?
It slows down
200
Like signs/charges would...
Repel
200
This organelle is known as the "powerhouse" of the cell; provides energy.
Mitochondria
300
What is the net force when there is a push 10 N to the right and another push 5 N to the left
5N to the RIGHT
300
The equation that connects force, mass and acceleration
F=ma
Newton's 2nd Law
300
Which accelerates faster when the SAME FORCE is applied: small dog or a large dog?
Small dog accelerates faster due to smaller mass.
Smaller mass = faster acceleration
300
Magnetic materials are magnetic because of this inside the atoms.
Magnetic Domains
300
This organelle regulates what enters and leaves the cell
Cell Membrane
400
Give TWO examples of contact forces.
Friction
Air Resistance
400
What happens to acceleration when the force is doubled and the mass stays the same?
Acceleration doubles!
Force and acceleration are directly proportional.
400
Name ONE way to make an object accelerate faster
Increase Force
Decrease Mass
400
Name ONE way to make an electromagnet stronger
Increasing/Adding wire wraps around the nail
Using a stronger battery
Using an iron core
400
This organelle provides energy for the plant through photosynthesis.
Chloroplast
500
This force pulls objects down and give them weight.
Gravity
500
This law states that for every action force, there is an equal and opposite reaction.
Newton's 3rd Law
500
This is the force of gravity pulling on an object, measured in Newtons.
Weight
500
What happens to the magnet when the battery is removed from an electromagnet?
it immediately turns off
500
Name TWO characteristics of multicellular organism
Many/multiple cells
Have a complex structure
Cells have specialized jobs/functions