Science STAAR Released Questions

A science class has an aquarium in which fish and aquatic plants are growing. How is carbon dioxide directly involved in the survival of organisms in the aquarium?

• The fish must absorb carbon dioxide through their gills for energy.

• Both the plants and the fish need carbon dioxide to make their own nutrients.

• The plants need carbon dioxide to make sugar.

• The plants release carbon dioxide into the water to control the water temperature.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

• A Two

• B Three

• C Four

• D Five

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

• F Heat from the sun warms the ocean, causing water to evaporate. The water vapor then condenses to form a cumulonimbus cloud.

• G Heat from the sun causes clouds in the area to gather over the ocean and form one large cumulonimbus cloud.

• G Heat from the sun causes clouds in the area togather over the ocean and form one large cumulonimbus cloud.

• J Light from the sun causes ocean water to reflect water vapor into the air and gather over the ocean into a cumulonimbus cloud.

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NGSS.MS-ESS2-5

• A Stir the liquids, let them settle, and then identify the bottom layer as water

• B Drop a piece of ice into the graduated cylinder, let the ice settle, and then identify the layer just above the ice as water

• C Add water to the graduated cylinder, let the mixture settle, and then identify the layer that increases in volume as water

• D Carefully pour each layer into separate plastic containers, place the containers in a freezer, and then identify the liquid that takes the longest to freeze as water

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NGSS.MS-PS1-2

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NGSS.MS-LS1-5

• A Open the switch and then connect the two wires that are attached to the wood block

• B Switch the positions of the two wires that are connected to the battery and then open the switch

• C Move the switch closer in the circuit to the battery

• D Connect the two wires that are attached to the woodblock

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NGSS.MS-ETS1-1

• A Biofuel

• B Hydroelectric

• C Geothermal

• D Solar

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

• A Salt and water

• B Gravel and water

• C Shampoo and water

• D Sugar and water

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NGSS.MS-PS1-2

Which of these describes one or more living organisms that depend on another living organism to survive?

• F Bacteria living in the mouth of a horse

• G Ivy plants growing up a fence to obtain more sunlight

• H Mold living on a hard, rocky surface

• J An angelfish releasing carbon dioxide into pond water

What is the athlete demonstrating in the picture?

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball’s position but not its motion

• Changing the position and motion of the ball without doing any work

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NGSS.MS-PS2-1

NGSS.MS-PS3-5