- •Unit 1 semiconductors
- •What is a semiconductor?
- •Types of semiconductors
- •Vocabulary
- •How semiconductors work
- •Doping of semiconductors
- •Vocabulary
- •Unit 2 diode
- •What is a diode?
- •Vocabulary
- •Creating a p-n junction
- •Types of diodes
- •Diode applications
- •Ionizing radiation detectors
- •Vocabulary
- •Unit 3 transistor
- •What does a transistor actually do?
- •Types of transistors and how they work
- •Vocabulary
- •Transistors in computers who invented the transistror?
- •Who Invented the Transistor?
- •Integrated circuit
- •What is an integrated circuit?
- •Vocabulary
- •How are integrated circuits made? who invented the integrated circuit?
- •Inside a Chip Plant
- •Vocabulary
- •Verbs with vowel changes
- •Verbs with 3 different vowels!
- •The really Irregular Verbs
- •Semiconductor glossary of terms
- •Unit 1 semiconductors
- •What is a semiconductor?
- •Types of semiconductors
- •Vocabulary
- •How semiconductors work
- •Doping of semiconductors
- •Unit 2 diode
- •What is a diode?
- •Vocabulary
- •Creating a p-n junction
- •Types of diodes
- •Vocabulary
- •Transistors in computers who invented the transistror?
- •Integrated circuit
- •What is an integrated circuit?
- •Vocabulary
- •How are integrated circuits made? who invented the integrated circuit?
- •Vocabulary
- •Bibliography
Verbs with vowel changes
Long “e” changes to short “e”
Present |
Past |
Past Participle |
keep |
kept |
kept |
sleep |
slept |
slept |
feel |
felt |
felt |
bleed |
bled |
bled |
feed |
fed |
fed |
meet |
met |
met |
lead |
led |
led |
“ea” is pronounced differently
Present |
Past |
Past Participle |
deal |
dealt |
dealt |
dream |
dreamt |
dreamt |
mean |
meant |
meant |
read |
read |
read |
hear |
heard |
heard |
Long “i” changes to “ou”
Present |
Past |
Past Participle |
bind |
bound |
bound |
find |
found |
found |
grind |
ground |
ground |
wind |
wound |
wound |
Short “i” changes to “u”
Present |
Past |
Past Participle |
dig |
dug |
dug |
stick |
stuck |
stuck |
spin |
spun |
spun |
sting |
stung |
stung |
swing |
swung |
swung |
-ell changes to -old
Present |
Past |
Past Participle |
sell |
sold |
sold |
tell |
told |
told |
-ought and –aught endings
Present |
Past |
Past Participle |
bring |
brought |
brought |
buy |
bought |
bought |
catch |
caught |
caught |
fight |
fought |
fought |
seek |
sought |
sought |
teach |
taught |
taught |
think |
thought |
thought |
Verbs with 3 different vowels!
Are you ready for a challenge? These irregular verbs have different vowels in each form. Fortunately, they do follow a pattern.
Vowel changes from “i” to “a” to “u”
Present |
Past |
Past Participle |
begin |
began |
begun |
drink |
drank |
drunk |
ring |
rang |
rung |
shrink |
shrank |
shrunk |
sing |
sang |
sung |
sink |
sank |
sunk |
spring |
sprang |
sprung |
swim |
swam |
swum |