Chapter 1
Observation, Hypothesize, Experiment, Conclude and share are all part of the...
What is the scientific method
What is the force that pulls all matter together?
What is gravity
____ is the amount of matter in an object.
Mass
Something that happens after an action is called?
What is a reaction
Pressure is a _____ force
What is pushing
Something that changes the motion and/or shape of an object is...
What is Force
What is the force called that slows down two objects rubbing together?
What is friction?
___ is a property of matter in which objects remain stationary
Inertia
Friction produces ___
What is Heat
The formula to find Density is ...
What is Mass / Volume
In physics, force is measured by what metric?
What is Newtons
Who was the scientist who discovered that all things fall at the same speed?
Who is Galileo
What is Newtons second law of motion?
Force=Mass x Acceleration
What is Newtons third law of motion?
For every action, there is an equal and opposite reaction
The ability to float in water or air is called ____
What is Buoyancy
This man discovered gravity from looking at an apple tree
Who is Isaac Newton
Water, Lemonade and Air are all examples of...
What is fluids
Below is a formula that helps find _____
Distance Traveled / amount of time it took
What is Speed
_____ is the inward force on an object that is following a curved path
What is Centripetal force
In the buoancy experiment, why did the candle float but not the penny or egg?
Because its density was less than the water it was in
One newton equals ___ of a pound
1/4
In the experiment with the flat and crumpled piece of paper, why did the crumpled paper fall but not the flat?
There was less friction
____ is the speed of an object in a certain direction
What is Velocity
___ are substances that reduce friction when put between two moving surfaces
What is Lubricant
If a quarter weighs 7.5 grams and has a volume of .5 cm^3, what is its density?
What is 15 g/cm^3