Science STAAR Released Questions

What process is represented by letter B?

• Evaporation, because the water vapor is in the air

• Precipitation, because rain comes from clouds

• Condensation, because water is changing states to form clouds

• Transpiration, because water is transforming

Tags

NGSS.MS-ESS2-4

Which of the following best illustrates the direction of energy flow through the food web above?

• Spider to Grasshopper to Grass

• Hognose snake to toad to grasshopper

• Grass to rabbit to hawk

• mouse to spider to toad

Tags

NGSS.MS-LS2-3

In the food chain above, the role of the grasshopper can best be described as--

• a consumer that eats producers

• a herbivore that produces its own energy

• a producer that provides energy for the mouse

• an omnivore that eats grasses and small animals

Tags

NGSS.MS-LS2-3

Why would the student's father ask him to use a wooden spoon?

• The wooden spoon is able to float in the soup

• the wooden spoon is able to sink in the soup

• the wooden spoon is a good conductor of thermal energy

• The wooden spoon is a good insulator of thermal energy

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following best describes the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis.

• They consume other organisms for energy.

• They break down dead organisms and waste, returning nutrients to the soil.

• They are the primary consumers of plants.

Tags

NGSS.MS-LS2-3

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 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-LS1-6

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 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