A force that opposes motion through direct contact.
Friction
100
What is the first step of an investigation?
asking a clear and specific question.
100
An animal that obtains nutrients only from plants.
Herbivore
100
capable of being attracted
Magnetic
100
An organism that produces its own food.
Producer
200
Resources that nature cannot replace quickly enough to meet people's needs
Nonrenewable Resource
200
A push or a pull that one object exerts on another object with or without direct contact
Force
200
A diagram representing the transfer of energy from the Sun through producers and a series of consumers.
Food Chain
200
A rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
Lever
200
This is a creature such as a plant, animal or a single-celled life form, or something that has interdependent parts and that is being compared to a living creature.
Organism
300
The air that surrounds the earth; divided into four layers
Atmosphere
300
Resources that can be replaced within a reasonable amount of time such as wind and solar
Renewable Resources
300
To transmit heat, sound, or electricity through a medium.
Conductor
300
a substance made up of a combination of two or more elements held together by chemical bonds that cannot be separated by physical means; has properties unlike those of the elements that make up the compound
Compound
300
a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt along its circumference.
Pulley
400
The different appearances of the moon throughout the month.
Moon Phases/Lunar Cycle
400
a combination of all the potential and kinetic energy that something has such as a remote control car or windup toy
Mechanical Energy
400
This simple machine is also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.
inclined plane
400
All members of the same species living together at the same time in the same area.
Population
400
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
Photosynthesis
500
A group of stars that ancient people thought formed a picture in the sky
Constellations
500
the ability to cause a change in matter or to do work.
Energy
500
An organized scientific study of the natural world that may include making systematic observations, asking questions, gathering information, analyzing data, summarizing results, drawing conclusions, and/or communicating results.
Investigation
500
****Double Jeopardy****
The introduction of contaminants into the natural environment that cause adverse change.
Pollution
500
****Double Jeopardy****
What are the six simple machines?