Earth Features
Exercise and Fitness
Vision and Hearing
Skin, Hair, and Nails
Teeth and Gums
100
The Earth's solid rocky surface.
What is the crust?
100
The rate at which your heart beats when you are working hard enough to make your heart and lungs stronger.
What is target heart rate?
100
An infection of the oil or sweat glands in the eyelid.
What is a sty?
100
The tiny sacs from which hair grows.
What are hair follicles?
100
A sticky substance that coats the teeth.
What is plaque?
200
The part of Earth the contains water.
What is the hydrosphere?
200
Using your muscles for a long time without having to stop.
What is muscle endurance?
200
The colored part of the eye that opens and closes to adjust the amount of light that enters the eye.
What is the iris?
200
Cream, oil, or lotion containing chemicals that protect you from ultraviolet rays.
What is sunscreen?
200
These can help straighten teeth and improve their appearance.
What is dental appliance?
300
These are major landforms found in the low regions of the United States.
What are plains and basins?
300
One of the main parts of physical fitness in which you have a strong heart and circulatory system.
What is cardiovascular fitness?
300
When the lens or cornea has the wrong shape.
What is an astigmatism?
300
A common skin disorder that includes blackheads and pimples.
What is acne?
300
A mineral that strengthens tooth enamel.
What is fluoride?
400
The layer above Earth's crust that contains a mixture of gases.
What is atmosphere?
400
A part of your workout that helps increase muscle strength but does not benefit the heart or lungs.
What is anaerobic exercise?
400
An infection of the tissue on the outside of the eye and tissues under the eyelid, also known as pink eye..
What is conjunctivitis?
400
The protective outer layer of the skin.
What is epidermis?
400
When a tooth forms a yellow substance or tartar.
What is calculus?
500
A ridge that runs from Mexico to Canada.
What is the Continental Divide?
500
Units used to measure food energy.
What is Calories?
500
When the retina is too close to the lens and causes a blurry image.
What is farsightedness?
500
The skin surounding the nail.
What is cuticle?
500
The white substance covering your teeth.
What is enamel?
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