Show:
The Structure of Matter
Force & Motion
Electricity & Magnetism
Energy & Its Transformation
Waves
100
Which of the following can be made up of two or more atoms of the same element, chemically bonded? a. atom b. mixture c. compound d. molecule
d. molecule
100
The speed in a particular direction
velocity
100
A balloon is rubbed all over with wool. The balloon will now attract the wool because the balloon and the wool a. are magnets b. have opposite charges c. have like charges d. have neutral charges
b. have opposite charges
100

Name 4 types of energy

mechanical, sound, chemical, electrical, heat, nuclear, light

100

Which of the following is not a medium? a. space b. air c. water d. wood

a. space

200
Which of the following is smaller than a single atom? a. proton b. mixture c. element d. solution
a. proton
200

A straight upward slope on a velocity-time graph indicates:

a. positive velocity  b. negative velocity   c. positive acceleration  d. negative acceleration

c.  positive acceleration

200

Electric current is measured in

Amperes (Amps)

200

Which wave travels fastest through solids, sound waves or light waves?

Sound waves

200
Two main types of waves
transverse and logitudinal
300

A student is investigating a sample of an element. The student observes that the element is solid, shiny, and can be bent into a new shape. The student is most like observing a. carbon b. hydrogen c. aluminum d. helium

c. aluminum

300
What happens to an object of the forces acting on it are balanced? a. the motion changes direction b. the motion does not change c. the motion speeds up d. the motion slows down
b. the motion does not change
300
Which of these is a insulator? a. a copper wire b. a silver spoon c. a plastic coating on a wire d. an aluminum coating on a wire
c. a plastic coating on a wire
300

The law of conservation of energy states that...

although energy may change from one form to another, energy is neither created nor destroyed

300
The audible property of sound that varies with the frequency
pitch
400

What is the name of this molecule, CO ?

Carbon Monoxide

400
A person produces the least friction moving across which of these surfaces? a. carpet b. ice c. sand d. wood floor
b. ice
400

What is the purpose of a switch in an electric circuit? a. to change the direction of the current b. to provide a push for the current c. to allow the electric current to be opened or closed d. to increase the electric power to the load

c. to allow the electric current to be opened or closed

400

An example of chemical energy being transformed into mechanical energy? a. blender b. ceiling fan c. flashlight d. human body

d. human body

400

Which type of EM waves has the highest energy?

A.. light waves  B. gamma rays  C. x- rays  D. UV rays

B. gamma rays 

500

The Law of conservation of matter states that...

matter cannot be created or destroyed

500

 An object at rest will remain at rest unless it is acted upon by an unbalanced force -Which Newton's Law is this?

A. Newton's 1st Law   B. Newton's 2nd law   c. Newton's 3rd Law

 Newton's 1st Law

500
What are the two basic kinds of circuits?
series and parallel
500

A lightbulb changes _________ energy to ________ energy

electrical to thermal/light

500
The bending of light as it passes through a small opening
diffraction