Life & Bodies
The natural place where a plant or animal lives and gets its food, water, and shelter.
What is a habitat?
A material that allows all light to pass through it clearly, like a clean glass window.
What is transparent?
This simple machine uses a grooved wheel and a rope to pull loads upward.
What is a pulley?
This type of rock is formed when layers of sand, mud, and pebbles are compressed over millions of years.
What is sedimentary rock?
In computer code, this is a sequence of precise, step-by-step instructions used to solve a problem.
What is an algorithm?
This system breaks down the food you eat so your body can absorb energy and nutrients.
What is the digestive system?
The three traditional states of matter found on Earth.
What are solid, liquid, and gas?
This internal force stretches or pulls a material apart, like a crane cable lifting a heavy box.
What is tension?
Energy sources that naturally replenish themselves, like solar, wind, and running water.
What is renewable energy?
Choosing to use resources responsibly today so that future generations still have enough is known as this practice.
What is sustainability?
This term describes an animal that is actively hunted and eaten by a predator.
What is prey?
Sound is created by these rapid back-and-forth movements of particles.
What are vibrations?
When two gears of different sizes mesh together to alter speed or force, they form this type of system.
What is a gear train?
Geologists use this specific scale from 1 to 10 to test the scratch resistance of minerals.
What is the Mohs Hardness Scale?
In programming, this command structure repeats a set of instructions over and over until a specific condition is met.
What is a loop?
These three main parts make up the human circulatory system.
What are the heart, blood, and blood vessels?
Rusting metal, baking a cake, or burning wood are examples of this type of irreversible change.
What is a chemical change?
The weight of things that change or move across a structure over time, like cars driving on a bridge.
What is a live load?
This type of energy is stored in an object due to its high position, like a roller coaster paused at the top of a hill.
What is potential energy?
This chart or map illustrates how energy flows in an environment from the sun to plants, and finally to animals.
What is a food chain (or food web)?
A non-native species introduced by humans that takes over an ecosystem and harms local plants and animals.
What is an invasive species?
This physical property describes how tightly packed the mass is inside a specific volume of an object.
What is density?
This geometric shape is widely considered the strongest by engineers and is used to build structural trusses.
What is a triangle?
The geological process where rocks are broken down by weather, and the debris is carried away to a new spot.
What are weathering and erosion?
This flexible, lightweight, and waterproof natural material was historically used by Indigenous peoples to engineer canoes.
What is birch bark?