Color, Sound and Circuits
Conductor VS. Insulator
Random
Heat transfer
Atoms and Molecules
100
Jake is creating a project with an electric circuit. For part of the project, Jake needs an insulator. A good insulator would NOT be made of which of the following?
A Plastic
B Rubber
C Copper
D Glass
C Copper
100
Which of these would be a good insulator?
A Steel
B Rubber
C Copper
D Aluminum
B. Rubber
100
A material that allows heat or an electric current to flow through easily.
What is a Conductor?
100
What type of heat transfer by direct contact?
What is conduction?
100
The smallest particle of an element that retains its chemical properties
What is an atom?
200
The diagram shows an electrical circuit. What object could be placed in the open space between the wires to complete the circuit?
A silver coin
B Toothpick
C Eraser
D Crayon
What is a Silver coin?
200
All of the objects below are conductors of electricity EXCEPT–
A 
An aluminum nail
B 
A rubberband
C 
A copper penny
D 
A steel fork
B a rubberband
200
A material that prevents heat or an electric current from flowing.
What is an Insulator?
200
What part of the wave do all the letters represent? Amplitude or frequency?
What is Amplitude?
200
When two or more atoms chemically bond together this is known as?
What is a molecule?
300
A pathway that prevents an electric current from flowing freely or stops the flow.
Closed circuit or open circuit?
What is an Open Circuit?
300
Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy?
A Silicon
B Aluminum
C Copper
D Fabric or cloth
D Fabric or cloth
300
A pathway that allows an electric current to flow freely.
Closed circuit or open circuit?
What is a Closed Circuit?
300
What type of heat transfers by waves?
What is radiation?
300
How many atoms are in the molecule 02.
What is two atoms
400
Why does the human eye see broccoli as green?
What is because green light is reflected and all other colors are absorbed.
400
Conductors allow thermal and electrical energy to pass through easily. Insulators prevent the flow of thermal and electrical energy. Which of the following items is a poor conductor and a good insulator?
A Silver
B Wood
C Tin
D Copper
B Wood
400
Why is a barn painted white less hot than a barn painted black?
because the white barn reflects more sunlight than the black barn
400
What type of heat transfer involves boiling water?
What is Convection?
400
How many atoms are in the molecule CO
What is two atoms?
500
Why are sound waves mechanical?
What is they require a medium to travel?
500
Which property of a ceramic mug makes it a good choice to keep coffee warm?
a thermal insulator or conductor?
what is thermal insulator?
500
Which of the following shows a complete path through which electricity can flow?
A B. 
A This is a complete circuit.
500
When Volcanoes erupt and emit lots of hot smoke into the sky which of the following occurs?
Convection or radiation
Convection
500
how many atoms are in the molecule CH4?
What is five atoms.