Show:
Force and Motion
Simple Machines
Elements, Compounds, Mixtures
Matter
Waves
100
The tendency of an object to stay in motion.
What is Inertia?
100
Lever?
What is a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
100
An element.
What is a pure substance that CAN NOT BE BROKEN DOWN; into simpler substances.
100
As you move from left to right across a row of elements in the periodic table, what happens to the number of protons in a typical atom? A It stays the same. B It increases. C It decreases. D It decreases until you reach the middle and then it increase
B It increases.
200
speed and direction
What is an object's velocity?
200
What is a simple machine?
What is the object that will make work easier?
200
What is a compound?
What is made up of two or more types of elements; that are "CHEMICALLY" combined.
200
What is a gas?
An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
200
What are light waves?
refers to electromagnetic radiation of any wavelength, whether visible or not OR electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye.
300
Any change in speed or direction.
What is acceleration?
300
An inclined plane
What is a plane inclined at an angle to the horizontal; or a sloping ramp up which heavy loads can be raised by ropes or chains
300
a mixture
What is a substance made by mixing other substances; and they are physically combined together.
300
What is a solid?
it has a certain size and shape.
300
A car was sitting in sunlight all day long. The heat that is now contained in the car was transferred to the car primarily by which of the following processes? A convection B conduction C radiation D electrical energy transfer
C radiation
400
An object in motion will stay in motion, an object at rest will stay at rest, unless acted on by an outside force.
What is the Law of Inertia?
400
Most commonly known as a screw.
What is a inclined plane wrapped around a wedge?
400
a salad
What is a mixture
400
The melting of wax is a physical change, yet the burning of wax is a chemical change. What is the essential difference between the physical change and chemical change of wax in a burning candle? A The burning of wax forms new compounds, while the melting of wax does not. B A higher temperature is needed to burn wax than to melt wax. C Melted wax can be separated into other substances, while solid wax cannot. D Melted wax is a different phase of matter than solid wax.
A The burning of wax forms new compounds, while the melting of wax does not.
400
A piece of blue paper appears blue because the paper A reflects all colors of light except blue B refracts all colors of light except blue C absorbs all colors of light except blue D is transparent to all colors of light except blue
C absorbs all colors of light except blue
500
force = Mass x acceleration
What is Newton's 2nd Law ?
500
A lever
What are a stapler, scissors and a wheelbarrow?
500
Koolaid.
What is a mixture because sugar is only dissolved in water, which is physically combined.
500
In an atom, which force holds the protons and neutrons together in the nucleus? A gravity B electromagnetic force C strong force D weak force
C strong force
500
In a restaurant kitchen, lamps are used to keep food warm. Which type of electromagnetic radiation do the lamps emit that is primarily responsible for keeping the food warm? A gamma B infrared C ultraviolet D visible
B infrared