Show:
Electricity
Let there be Light
More Electric than Electricity
Scientific Method
Think Hard!
100

True or False?

Electronics is considered a branch of engineering.

True

100

A laser produces a narrow beam of light that is ________________.

1.  Strong and Hot

2.  Weak and Hot

3.  Not reliable

Strong and hot

100

Complex and advanced integrated circuits are

1.  switches

2.  microprocessors

3.  software

microprocessors

100

A possible explanation of an event or phenomenon

Hypothesis

100

Observation or Conclusion?

Mount Vesuvius erupted in 79 AD

Observation

200

Electrons have a ___________ charge.

1.  Positive

2.  Neutral

3.  Negative

Negative

200

The number of waves that pass a point in a certain amount of time is a  ______________.

Frequency

200

What are the instructions designed for a computer called?

Software

200

An element that changes in a study is called a  ___________.

1.  Control group

2.  Random sampling

3.  Variable

Variable

200

Observation or Conclusion?

That dinosaur fossil is very, very old.

Conclusion

300

A device that can be used to amplify, detect, or switch electric current on and off.

Transistor

300

The distance from the top of one wave to the top of the next wave is the ________________.

Wavelength

300

Protons has a __________ charge.

positive

300

Creating a sample in which every member of the population has an equal chance of being selected is called    _________________.

Random Sampling

300

Fact or Opinion?

New York City has good public transportation

Opinion

400

True or False?

A diode allows current to flow in two directions.

False

400

Light travels  ____________.

1.  on American Airlines

2.  in waves

3.  from one stoplight to another.


in Waves

400

What was the name of the computer that Gary Kasparov played chess against?

1.  Royal Riviera

2.  Deep Blue

3.  Deep Thought

Deep Blue

400

The group of subjects not being subjected to a phenomenon in a study is called the _____________.

1.  Scientific group

2.  Control group

3.  Variability group

4.  Stationary group

Control group

400

Fact or Opinion?

The only state in the United States that is an island is Hawaii.

Fact

500

Integrated circuits can fit on a ___________.

!. small silicon chip

2. small potato chip

3. they are large and must have their own storage room.

small silicon chip

500
What is an important characteristic of laser light?

Waves are in step.

500

What development made personal computers possible?


Microprocessors

500

The number of subjects in a study is called the ________________.

Sample size

500

Observation or Conclusion?

The child eating the popcorn is very hungry.

Conclusion