Science STAAR Questions

After lava flows from a volcano, the lava becomes igneous rock due to which process

• Erosion

• Pressure

• Cooling

• Cemetation

Some human activities release greenhouse gases, including carbon dioxide, into the atmosphere. Which step would most likely help reduce the amount of carbon dioxide released?

• reusing plastic bags instead of throwing them away

• watering plants with rainwater instead of using tap water

• traveling in cars instead of riding bicycles

• generating power with wind turbines instead of burning coal

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NGSS.MS-ETS1-2

What type of storm front is this?

• Warm Front

• Cold Front

• Stationary Front

• occluded front

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NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Snow, sleet, hail, and rain are all examples of ________________.

• Evaporation

• Precipitation

• condensation

• accumulation

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

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

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NGSS.MS-LS1-6

NGSS.MS-LS1-2

What is the term for the movement of particles from an area of higher concentration to an area of lower concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

What is the term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

Which of the following is a chemical change?

• Dissolving salt in water

• Boiling water

• Burning wood

• Melting ice

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

• Mutualism

• Commensalism

• Parasitism

• Predation

What is the Scientific Method?

• the process of observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses

• the Process of making a logical guess before doing a experiment

• The process of thinking all the options through before doing a experiment

• The process in which you do a lab and come back and reflect on the experiment

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NGSS.MS-ETS1-4

NGSS.MS-LS1-5