NC EOG Science Review

Which is a chemical change?

• frying an egg

• boiling water

• breaking a glass cup

• crushing a piece of bread

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How is a plant different from bacteria?

• A plant is a multi-celled organism in which each cell performs a specific function. Bacteria is a single-celled organism in which one cell performs all functions.

• Bacteria is a multi-celled organism in which each cell performs a specific function. A plant is a single-celled organism in which one cell performs all functions.

• A plant is a multi-celled organism in which one cell performs all functions. Bacteria is a single-celled organism in which each cell performs a specific function.

• Bacteria is a multi-celled organism in which one cell performs all functions. A plant is a single-celled organism in which each cell performs all functions.

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Which characteristic do single-celled organisms and multicellular organisms have in common?

• Both have cells with specialized functions for each life process.

• Both perform all life processes within one cell.

• Both have a way to get rid of waste materials.

• Both are able to make food from sunlight.

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Which best describes the circulatory system?

• a system made up of the brain and nerves that delivers nutrients and removes waste from the body

• a system made up of lymph and blood that delivers nutrients and removes waste from the body

• a system made up of the brain and nerves that delivers messages throughout the body

• a system made up of the heart and blood that delivers messages throughout the body

Which best describes the relationship between the skeletal system and the circulatory system?

• The skeletal system transports red blood cells after the circulatory system produces them.

• The skeletal system protects red blood cells and the circulatory system pumps those cells through veins and arteries.

• The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go.

• The skeletal system helps put oxygen in red blood cells and the circulatory system helps those cells rid the body of carbon dioxide.

Caroline is standing at the top of a tall building in downtown Raleigh. She drops a penny. What force causes the penny to fall to the street below?

• The force of the wind

• The force of friction.

• The force of sunlight.

• The force of gravity.

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NGSS.MS-PS2-2

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Which material would most likely be used to make an insulator?

• glass

• ceramic

• metal

• wool

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During the day, temperatures of land heat up more than the sea. The air pressure over land is lower than over sea. Which correctly tells the direction the wind.

• From the sea to the land.

• From the land to the sea.

• From the sky to the land.

• From land to the sky/

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Why would a river trout have a hard time living in the ocean?

• The salinity of the ocean is too high for these fish.

• The ocean is too warm for these fish.

• There is too little sunlight for these fish.

• There is too much water in the ocean for these fish.

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Luis walked to school one morning. It was very warm and cloudy. While at school a high pressure cold front moved through. When he walked home, what was the weather most likely like?

• warmer and wet

• cooler and wet

• cooler and stormy

• cooler and sunny

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NGSS.MS-ESS2-5