Released Science STAAR

Which role do the grasses have in the food chain?

• They decompose small organisms to produce energy.

• They prevent the food chain from containing too many carnivores.

• They capture the energy from the sun and are food for consumers.

• They break down dead organisms into simpler substances.

Tags

5.9B

Which circuit shown will produce light when the switch is closed?

• 
• 
• 
• 

Tags

5.6B

Which statement best explains why the sun appears to move across the sky during the day?

• The Earth is closest to the sun in the winter.

• The Earth is revolving around the sun.

• The Earth is tilted at 23.5 degrees.

• The Earth is rotating on its axis.

Tags

5.8C

A student is looking directly at a lit nightlight through two different cardboard tubes as shown.<\/p>

Through which tube, if any, will the light be seen and why? <\/p>

• The bent tube only because the light bounces off the sides of the tube and travels through the tube to the student’s eye<\/p>

• The straight tube only because the light travels in a straight line directly to the student’s eye <\/p>

• Both tubes because light travels equally well along straight and curved paths<\/p>

• Neither tube because both tubes absorb all of the light<\/p>

Tags

5.6C

In the water cycle, which process involves water vapor cooling and changing into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

What is the process by which plants release water vapor into the air through their leaves?

• Condensation

• Transpiration

• Evaporation

• Precipitation

Tags

NGSS.MS-ESS2-4

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

What type of symbiotic relationship benefits one organism without harming the other?

• Mutualism

• Commensalism

• Parasitism

• Predation

Which of the following is a chemical change?

• Dissolving salt in water

• Boiling water

• Burning wood

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power