Newtons 1st Law.
An object at ___ tends to stay at ___. An object in ___ tends to stay in ___.
"An object at rest tends to stay at rest. An object in motion tends to stay in motion."
The force acting on an object is equal to the mass of the object ____ by its _____.
The force acting on an object is equal to the mass of the object multiplied by its acceleration."
For every action there's a ___ and _____ reaction.
"For every action there's a equal and opposite reaction."
Whats the first moon phase?
New moon
What shape is a Elliptical galaxy?
egg shaped
What is mass?
Mass is the amount of matter in an object
What is the 1st equation for Newtons 2nd Law of motion?
Force= Mass x Acceleration
How do forces act?
They act in pairs
Does the moon rotate and spin on its axis?
Yes
What particle is smaller than an atom and has an electric charge of zero?
A Neutron
The greater an objects mass the greater its what?
Inertia
1 kilogram = ?? pounds.
2.2 pounds
What is net force?
The sum of all the forces acting on the object
How long does it take the Moon to orbit around Earth?
27.3 days
What are the three components of the Cell theory?
-All living things are composed of cells
-Cells are the basic unit of structure and function in all living things.
-All cells are produced from other cells
What is inertia?
The tendency of an object to resist change in its motion.
What does acceleration depend on?
Acceleration depends on force and mass
If I sit down on a chair, what is the chair doing, how is that connected to Newtons 3rd Law?
The chair is holding/pushing you up while you push down on the chair
What angle is the Sun, Moon, and Earth during Neap tide?
90-degree angle.
What year was the Thomson's plum pudding model created?
1897
What is Centripetal Force?
This is a force that causes objects to move in a circular path
The objects acceleration ____ as the ___ of the object ____.
"The objects acceleration decreases as the mass of the object increases."
What is projectile motion?
Projectile Motion is the curved path an object follows when its thrown.
24hours or 1 day & causes Day & Night
What is an Ionic bond? How are ions formed?
Ions are formed when atoms "gain or loose" electrons.
An ionic bond is the force of attraction between oppositely charged ions.