Teeth and Digestion
The Respiratory System
Ecology and Ecosystems
Earth Science and Watersheds
Weather and Climate
100

This shiny white outer layer of the tooth is recognized as the single hardest substance found anywhere in the human body. 

what is enamel?
100

Breathing through this specific organ is healthier because it relies on internal mucus and microscopic hairs to actively filter out environmental dust. 

What is the nose?

100

This term defines the specific natural environment that satisfies an organism's basic needs for  food, water, shelter and living space. 

What is a habitat?

100

Wetlands earn this descriptive nickname because their dense plants and soil layers trap floating pollutants to wash the water clean. 

What are Earth's natural water fliters?

100

This term describes the temporary, day-to-day condition of the atmosphere in a highly specific location such as a rainy afternoon.

What is weather?

200

These broad, flat teeth are found right at the back of your mouth , perfectly adapted for crushing and grinding down tough pieces of food.

What are Molars?

200

This specialized flap of tissue snaps shut over your windpipe every single time your swallow food to keep your from choking 

What is the epiglottis?

200

Representing Level 1 on an energy pyramid, this ecological group earns its name because they generate their own food supply using raw sunlight.

What are producers?

200
Highly prized by gardeners, this specific soil type contains an even blend of sand, silt, and clay to offer excellent drainage and rich nutrients.

What is loam?

200

This term describes the steady, permanent pattern of atmospheric conditions tracking across a specific geographic region over may decades or centuries.

What is Climate?

300

This is the primary chemical role that active enzymes play when they encounter food particles inside your mouth and stomach.

What is speeding up the chemical breakdown of food molecules?

300

The left lung is uniquely designed to be slightly smaller than the right lung in order to make space for this critical organ in your chest cavity 

What is the heart?

300

if mushrooms, bateria, and earthworms were suddenly removed fro man environment, this type of waste material would rapidly pile up on the ground. 

What is dead matter/ organic matter?

300

Clear-cutting vast forests causes the underground water table to experience this specific long-term change. 

What is dropping lower ( because fewer roots are there to hold water in the soil)?
300

The scientific prediction estimates upcoming atmospheric conditions for a target area over the next few days.

What is weather forecast?

400

This muscular tube uses coordinated, waves-like squeezing motions to safely transport swallowed food from your mouth straight to your stomach. 

What is the esophagus?

400

These tiny, grape-like clusters of air sacs are the exact location where incoming oxygen enters your body supply while carbon dioxide is left behind.

What are alveoli?

400

When drawing a classroom food chain or web, the arrows must point in this specific direction to show exactly where things are moving.

What is the flow of energy from one organism to the next? 

400

This specific name for Layer 1 of a standard soil profile, which is heavily packed with dark, rich, decomposed organic material. 

What is topsoil/humus?

400
This specific state of the water cycle happens when invisible water vapor cools down significantly and transforms back into liquid droplets to form clouds.

What is condensation?

500

This specific organ is where the majority of chemical digestion comes to an end and vital nutrients are absorbed directly into the human bloodstream. 

What is the small intestine? 

500

This massive, dome-shaped sheet of muscle stretches right beneath your lungs, contracting and flatting out to pull fresh air into your chest.

What is the diaphragm? 

500

This is how healthy wetlands protect downhill human communities from experiencing sudden damage during heavy rainstorms.

 What is acting like giant sponges to absorb excess water and prevent floods?

500

Farming communities can protect nearby open rivers from dangerous chemical runoff by planing these protective strips of native trees and grass. 

What are buffer strips? 

500

On a heavy, misty morning, this specific weather property is severely reduced, making it difficult for drivers to clearly see objects ahead of them on the highway.

What is visibility