Physics 1.0
What is the rate at which an object moves?
Speed
What is the smallest unit of matter called?
Matter
What is the study of weather called?
Meteorology
What is a device that either multiplies or redirects a force called?
simple machine
What is an inorganic cyrstalline substance found naturally in the Earth?
minerals
What is a closed path through which electric current flows?
Electric circuit
What is a change in which the atoms or molecules in a substance stay the same called?
physical change
What is the force exerted onto a surface by the weight of air molecules called?
Air pressure
What is a push or pull exerted on an object in an effort to change that object's velocity called?
Force
What we know about the layers of Earth come from what type of observations?
Indirect
An object ______ will stay that way until it is acted upon by an outside force?
in motion
Is salt dissolving in water a chemical change?
No
What are the 2 major regions of the atmosphere called?
homosphere and heterosphere
What is the speed of an object in any given direction called?
Velocity
Most of Earth's sediments are laid down by what?
Water
A bicyclist is riding on a path when a rabbit suddenly darts out in front of him. He quickly brakes so that he doesn't hit the rabbit. When he does that, was is his acceleration?
negative
Does a base receive or donate hydrogen ions?
Receive
To predict weather, meteorologists measure 5 properties of what?
air
When an object is acted on by one or more outside forces, the total force is equal to the ____ of the object times the resulting acceleration.
Mass
A paleontologist discovers a fossil that is paper-thin and made up of mostly carbon. Which fossilization process formed it?
Carbonization
When you see a red shirt, what colors (if any) of light are being absorbed and what colors (if any) are reflected?
red is reflected
rest of the colors (orange, yellow, green, blue, indigo, and violet) are absorbed
What bonding is when 2 atoms share a pair of electrons called?
Covalent
From base to summit, what is the tallest mountain?
Mauna Kea
A taxi driver is taking a person to the airport. He drives by his favorite hot dog stand and waves to the owner as he continues on his way. Which person observes that the taxi is moving: the passenger or the hot dog seller?
Hot dog seller
What is the surface of erosion that separates one layer of rock from another called?
unconformity