Root Meanings
What does the root cred mean?
Believe
The witness gave a credible story. What does credible mean?
Believable
Make a word using cyclo (circle).
Bicycle = a vehicle with two wheels (circles)
In math, a diameter goes across a circle. Which root gives that meaning?
Dia = across
Break apart dermatology into root + suffix. What does it mean?
Derma = skin, -logy = study of → study of skin
What does the root circum mean?
Around
The circle’s circumference was measured in math class. What does circumference mean?
Distance around a circle
Make a word using dia (across).
Diameter - the distance across a circle
In science, plants contain chlorophyll. Which root helps you know what it means?
Chlor = green
Which two roots combine in diameter?
Dia = across, meter = measure → measure across
What does the root derma mean?
Skin
A dentist fixed my tooth. What does dentist mean?
A doctor who works on teeth
Make a word using dis (apart/not).
Disconnect = to take apart a connection
In health, a dermatologist studies what?
Skin (derma)
The root dis means not. What does disagree mean?
To not agree
What does the root dent mean?
Tooth
The dermatologist studied my skin. What does dermatologist mean?
A doctor who studies skin
Make a word using co (together).
Cooperate = work together
In history, people must be credible witnesses. What does cred mean?
Believe
Explain how the root circum is used in both circumference (math) and circumnavigate (social studies)
Both mean going around something
What does the root dynam mean?
Power
The leader was very dynamic. What does dynamic mean?
Powerful or full of energy
Make a word using deca (ten).
Decade = ten years
In math, a polygon with ten sides is called a decagon. Which root tells you that?
Deca = ten
Which root appears in both dynamic and dynamite? What does it mean in both?
Dynam = power → powerful leader (dynamic), powerful explosion (dynamite)