Comparing Themes

Comparing the themes of energy conservation and energy transfer, which of the following best describes the law of conservation of energy?

• Energy can be created and destroyed.

• Energy can be transferred from one form to another but cannot be created or destroyed.

• Energy is always lost as heat.

• Energy is only conserved in closed systems.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

When comparing the themes of photosynthesis and cellular respiration, which of the following is true?

• Both processes occur in the mitochondria.

• Photosynthesis releases oxygen, while cellular respiration uses oxygen.

• Both processes produce glucose.

• Photosynthesis and cellular respiration are unrelated.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In comparing the themes of chemical reactions and physical changes, which statement is correct?

• Chemical reactions involve the formation of new substances, while physical changes do not.

• Physical changes result in new substances, while chemical reactions do not.

• Both chemical reactions and physical changes involve breaking chemical bonds.

• Neither chemical reactions nor physical changes involve energy changes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Comparing the themes of renewable and non-renewable energy sources, which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

When comparing the themes of acids and bases, which of the following is a characteristic of acids?

• They have a pH greater than 7.

• They turn litmus paper blue.

• They taste sour.

• They feel slippery.

Comparing the themes of speed and velocity, which statement is true?

• Speed is a vector quantity, while velocity is a scalar quantity.

• Velocity includes direction, while speed does not.

• Both speed and velocity include direction.

• Neither speed nor velocity include direction.

In comparing the themes of mass and weight, which of the following is true?

• Mass is dependent on gravity, while weight is not.

• Weight is the measure of matter in an object, while mass is the force of gravity on an object.

• Mass is constant, while weight can change depending on location.

• Both mass and weight are constant regardless of location.

Comparing the themes of conduction and convection, which of the following is true?

• Conduction involves the movement of fluids, while convection involves direct contact.

• Convection involves the movement of fluids, while conduction involves direct contact.

• Both conduction and convection involve the movement of fluids.

• Neither conduction nor convection involve heat transfer.

When comparing the themes of potential and kinetic energy, which statement is correct?

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

• Kinetic energy is energy of motion, while potential energy is stored energy.

• Both potential and kinetic energy are forms of energy of motion.

• Neither potential nor kinetic energy are related to motion.

Comparing the themes of evaporation and condensation, which of the following is true?

• Evaporation is the process of a gas turning into a liquid, while condensation is a liquid turning into a gas.

• Condensation is the process of a gas turning into a liquid, while evaporation is a liquid turning into a gas.

• Both evaporation and condensation involve a liquid turning into a gas.

• Neither evaporation nor condensation involve phase changes.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4