Chapter 6
An object in motion tends to stay in motion and an object at rest tends to stay at rest unless acted upon by an outside force.
What is Newton's First Law of Motion
A force that resists movement between 2 objects.
Friction
Define Kinetic Energy
Energy in motion!
What phase of matter does sound travel through best?
Solid!
What kind of surface reflects light the best?
Smooth! (shiny would also be accepted)
A push or pull on an object?
What is Force
What is an example of a lubricant used in car engines that decreases friction.
Oil!
The ability of someone or something to do work.
Energy
Which has more waves per second? A high-pitched sound or low-pitched sound?
High-Pitched!
Who is the BEST Chemistry/Physics substitute teacher?
Mrs. Overstreet!!!!!! :))))))
What states the following...Force is what causes an object to change speed or direction.
What is Newton's 2nd Law of Motion
What type of resistant force does an object traveling through water encounter?
water resistance or drag
The term used to describe stored energy.
Potential Energy
What is the definition of sound?
Vibrations that travel through materials from a source
What happens to light when it enters a different medium? (for example when light enters water, what happens...)
the light speeds up or slows down and bends...REFRACTION
State Newton's 3rd Law of Motion
"For every action, there is an equal and opposite reaction."
What is the term for the speed limit of falling objects?
Terminal Velocity
What is the Law of Conservation of Energy?
Energy cannot be created or destroyed.
Name one way we use what we know about sound to help us? In other words...how do we use sound in a practical helpful way in our world?
Sonar
Ultrasound
Bioacoustics
What are the 2 most common elements found on the sun? (Hint: Both start with the letter H)
Helium and Hydrogen
Name 3 inventions/discoveries that Isaac was responsible for. (You must get 3 to get credit)
(any of these 3 will be accepted)
Laws of Motion
Gravity
Mathematics (specifically calculus)
Spectrum of Light
Reflecting Telescope
Name an example in the bible when centripetal force was used.
When David twirled his sling before killing Goliath.
What type of energy is found in the nucleus of an atom?
Nuclear Energy!
What measurement do we use to measure LOUDNESS?
Decibels
What is the order of colors in the electromagnetic spectrum? (Must get this in order for it to be considered correct.)
ROY G BIV
Red, Orange, Yellow, Green, Blue, Indigo, Violet