Released STAAR Science

• A Conduct five trials, using a different scale to pull each block of wood

• B Conduct five trials, pulling a different side of each block each time

• C Conduct five trials, using a different table for each trial

• D Conduct five trials, pulling each block of wood in the same way for each trial

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

• F travels in straight lines and reflects from the surface of the mirror

• G refracts in the glass of the mirror and is spread out all over the room

• H enters the mirror and changes direction when it is refracted by the back of the mirror

• J travels through air and does not change its direction in air

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NGSS.MS-PS4-2

• A Two

• B Three

• C Four

• D Five

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

• 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.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

• 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

Tags

NGSS.MS-PS1-2

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Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

• 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

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

• A Salt and water

• B Gravel and water

• C Shampoo and water

• D Sugar and water

Based on their properties, which of the objects is most likely a metal?

• Object , because it is a solid that is less dense than water

• Object 2, because all metals float in water

• Object 2, because metals conduct thermal energy and electricity

• Object1, because it can be used to provide insulation for thermal energy

Tags

NGSS.MS-PS2-3

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

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5