Science STAAR 2023

What is the relationship between force, mass, and acceleration according to Newton's second law of motion?

• Mass is directly proportional to force and acceleration according to Newton's second law of motion.

• Acceleration is directly proportional to force and inversely proportional to mass according to Newton's second law of motion.

• Force is inversely proportional to mass and acceleration according to Newton's second law of motion.

• Force is directly proportional to mass and acceleration according to Newton's second law of motion.

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NGSS.MS-PS2-2

What is the function of the mitochondria in a cell?

• Produces energy (ATP) through cellular respiration

• Stores genetic material

• Synthesizes proteins

• Regulates cell division

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NGSS.MS-LS1-2

Explain the difference between potential energy and kinetic energy.

• Potential energy is energy in motion, while kinetic energy is stored energy.

• Potential energy is stored energy, while kinetic energy is energy in motion.

• Potential energy is always positive, while kinetic energy can be negative.

• Potential energy is the energy of motion, while kinetic energy is the energy of position.

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NGSS.MS-PS3-2

How does the process of photosynthesis contribute to the oxygen levels in the atmosphere?

• Photosynthesis consumes oxygen, reducing the levels in the atmosphere.

• Photosynthesis has no impact on oxygen levels in the atmosphere.

• Photosynthesis converts oxygen into carbon dioxide, depleting the atmosphere.

• Photosynthesis produces oxygen as a byproduct, increasing the oxygen levels in the atmosphere.

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NGSS.MS-LS1-6

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 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

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

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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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Mutualism

• Commensalism

• Parasitism

• Predation