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all the living and nonliving things that surround an organism

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Fossil fuels come from the decay of organisms buried in sediments that are pressed tightly together for millions of years, at very high temperatures. These nonrenewable resources are rich in energy.

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the group of organisms of the same species living in the same area

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Transportation is the movement of people and goods from one place

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a related set of components that react with one another that may or may not interact with the surrounding area

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the answer to a question or a way to meet a need or accomplish a task

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a device or location from which signals are being emitted

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A system of circuits and conductors used to carry electricity.

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For the sound of a voice to be sent from a radio, it has to be encoded as an electrical signal.

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to pass a disease; send energy from one place to another; to communicate by sending a message (related word: transmission)

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a device that sends out a signal

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An engineer who designs technology that uses electric circuitry.

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Machine or device that converts information into language.

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The location to which communication is targeted.

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an element of a communications system that receives signals from a source

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In the Arctic, winter temperatures average about 30 degrees below zero Fahrenheit. The Arctic is the northernmost region in the world and includes the Arctic Ocean, polar ice caps, and continental land masses such as Greenland and the northernmost parts of Canada and Russia.

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in earth science, having to do with the areas on Earth closest to the geographic North or South poles; in chemistry, describes a molecule that has a positively charged side and a negatively charged side

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relating to water

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describes a climate that does not have extremes of hot or cold

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having to do with continent of Antarctica or the area around it; having to do with the South Pole or the area around it

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a major ecological community such as grassland, tropical rain forest, or desert

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water that is released from clouds in the sky; includes rain, snow, sleet, hail, and freezing rain

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all the living and nonliving things that surround an organism

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the clearing, by burning or logging, of trees in a forested area

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that part of Earth in which life can exist

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a depression in the ocean floor that ranges from a few feet to several miles in depth

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having to do with the ocean

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a coastal body of water where fresh water from a river mixes with salt water from the ocean

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made up of one uniform component; often used to describe a mixture with a consistent composition and a single phase throughout

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the total quantity of dissolved salts in water

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the force per unit area exerted on an object

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water that is not fresh; water that has things dissolved in it that make it taste salty

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one half of a sphere

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the properties of the atmosphere at a given time and location, including temperature, air movement and precipitation

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an imaginary line that divides Earth into Northern and Southern Hemispheres; located halfway between the North and South Poles

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energy that comes from the sun

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an object's mass divided by its volume; a measure of how many particles are packed together into a space

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the current or past long-term weather conditions characteristic of a region or the entire Earth.

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the atmospheric circulation around Earth that occurs in predictable patterns

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the properties of the atmosphere at a given time and location, including temperature, air movement and precipitation

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The transfer of thermal energy

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he gaseous form of water; produced when water evaporates

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water that is released from clouds in the sky; includes rain, snow, sleet, hail, and freezing rain

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The transfer of energy from one organism to another.

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The continual movement of water between the land, ocean, and the air

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An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth's oceans

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A type of force that can move water. he movement of air due to atmospheric pressure differences

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Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth

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- Look at
- Hands on

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- Build something up
-To develop.

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- To figure out something
- Find

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-help someone understand
-Give information

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-Establish a Question
-Introduce student's ideas

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A scientific observation may involve seeing, feeling, hearing, or using a measuring device.

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Making a hypothesis is a step in many scientific investigations.

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An experiment may result as them not being completely sure but thinking they are right.

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Scientific experiments are designed such that changes in one parameter cause a predictable change in another parameter.

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An experiment is when a scientist tests something to learn more about it.

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Data that is required to draw conclusions.

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Researchers scientists collect data during investigations to test hypotheses.

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describing a climate that is very hot and humid; describing an area of Earth that is near the equator