STAAR Life Science

Which of these devices is the only one NOT designed to produce both sound and light energy?

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Tags

NGSS.MS-PS4-2

What most likely happened to the dead plants and animals?

• They were eaten by scavengers.

• G They became fossil fuels.

• H They were washed away by water

• J They became an underground aquifer.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-3

NGSS.MS-LS4-1

Based on this information, what is most likely an advantage of the bony fish tail fin over the shark tail fin?

• A It is easier for a bony fish to change direction quickly since muscles control the movement of the tail fin.

• B The bones in the tail fin help a bony fish sink to lower depths in the water when searching for food.

• C The flexible tail fin is fanned by the water, so a bony fish uses less energy to swim.

• D The thin spines of the tail fin prevent a bony fish from being seen by larger predator fish.

Tags

NGSS.MS-LS4-2

What property of soils is the student most likely examining with this procedure?

• F The differences in texture between wet and dry soils

• G How well different soils retain water

• H How much water is needed to dissolve different soils

• J The amount of time it takes different soils to dry

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

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

• B Object 2, because all metals float in water

• C Object 2, because metals conduct thermal energy and electricity

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

Tags

NGSS.MS-PS1-1

6 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?

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

• B Changing the position but not the motion of the ball

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

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

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

Which statement correctly describes the transfer of energy in a food chain in this wetland?

• F Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.

• G Energy is transferred from marsh grasses to crickets to hawks to frogs.

• H Energy is transferred from grasshoppers to crickets to frogs to hawks.

• J Energy is transferred from cattails to crickets to shrews to hawks.

Tags

NGSS.MS-LS2-3

9 A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?

• A The sample must be kept in a freezer.

• B The temperature of the sample must change.

• C The investigation must be performed outside.

• D The physical state of the sample must remain the same.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

10 A bright-red male cardinal comes to a school bird feeder every morning. Like other cardinals, this bird makes a sharp chirping sound as it hops around the bird feeder.

Which of these is a learned behavior of this bird?

• F Having red feathers

• G Eating seeds during the day

• H Coming to the bird feeder each morning

• J Making a chirping sound