Force and Motion
What word means a change in position compared to the starting location, which happens over time?
Motion
Which system includes the muscles?
Muscular System
What do we call the cycle in which Earth's water moves through the environment?
Water Cycle
What word is used to describe a population of organisms that is likely to become extinct if steps are not taken to save it?
Endangered Species
The gas crated when water evaporates.
Water Vapor
What word means, the force that pulls objects toward the center of the earth?
Gravity
Which system includes the mouth, esophagus, stomach, intestines; and processes food into usable energy?
Digestive System
Which words means, the process in which liquid water turns into a gas called water vapor?
Evaporation
An animal that eats ONLY plants as food.
Herbivore
The process in which plants give off water through their stomata.
Transpiration
Kinetic Energy
Which system includes the heart, blood vessels; carries oxygen throughout the body, and picks up waste products?
What instrument is used to measure air pressure?
Barometer
An animal that eats other animals as food.
Carnivore
Materials that don't conduct heat well. (wood, ceramic, plastic, wool, air)
Insulators
What is a simple machine made up of a wheel with a groove in the rim, through which a chain or rope makes lifting easier.
Pulley
Which system includes the bones; protects our organs, and provides structure?
Skeletal System
What instrument is used to measure wind speed?
Anemometer
An animal that eats both plants and animals as food.
Omnivore
1 of 3 ways heat transfers; electric waves, not directly touching.
Radiation
Which of Newton's Law states, an object's acceleration depends on the size and direction of force, and the mass of the object.
Newton's Second Law
Which system includes the nose, trachea, lungs, and provides gas exchange?
Respirator System
What is it called when a strong current of fast winds high above the Earth's surface?
Jet Stream
What shows us the amount of energy that is available to pass from one level of the food chain to the next?
Energy Pyramid
Heat transfer through movement of liquids/gases.
Convection