What is mechanical energy?
A. Electric energy flow
B. Energy of movement
C. Stored heat energy
D. Sound energy
B. Energy of movement
Which material is a good conductor?
(Copper, Rubber, Plastic, Wood)
Copper
What does friction do?
A. Creates electricity
B. Speeds up objects
C. Stores energy
D. Slows moving objects
D. Slows moving objects
What is force?
A push or pull that can change the motion of an object.
What is static electricity?
A. Stationary electric charge
B. Moving electric current
C. Heat energy
D. Sound energy
A. Stationary electric charge
What is a quadrilateral?
A quadrilateral is a polygon that has four sides (or edges) and four vertices (or corners).
What are prime numbers?
A counting number greater than 1 whose only two factors are 1and itself.
What is a divisor?
A number by which another number is divided (second term).
What is perimeter?
The distance around a closed, flat shape.
What does the commutative property of addition mean?
You can change the order of the numbers you add, and the sum stays the same.
What is a decimal number?
A decimal number is a number that uses a decimal point (.)
What is an Average?
The average is the "fair share" number you get when you combine everything and divide it equally.
What is a factor?
Number multiplied(Think of factors as "numbers that multiply together to make another number." )
What are reciprocals?
Two numbers whose product is 1.
What is a composite number?
A counting number greater than 1 that is divisible by a numbe other than itself and one.
Which is an example of a simple machine?
A. Battery
B. Pulley
C. Wire
D. Magnet
B. Pulley
What causes static electricity?
A. Magnetism
B. Friction
C. Gravity
D. Heat
B. Friction
What is expanded notation?
A way of writing a number as the sum of the products of the digits and the place values of the digits. Example with whole numbers:
For 3,729:
3,000 + 700 + 20 + 9
(or 3×1000+7×100+2×10+9×13×1000+7×100+2×10+9×1)
What is a parallel circuit?
A circuit where components are connected in multiple paths.
What is volume in sound?
How loud or soft a sound is.
What is pitch in sound?
How high or low a sound is.
Which material is an insulator?
A. Silver
B. Copper
C. Rubber
D. Aluminum
C. Rubber
What is an electric circuit?
An electric circuit is a complete, closed path that allows electric current to flow.
What dose Energy Transformation mean?
Energy transformation (or energy conversion) refers to the process in which energy changes from one form into another.
What is buoyancy?
The ability of an object to float in a fluid.