Sentences

Which of the following sentences correctly describes Newton's First Law of Motion?

• An object in motion stays in motion unless acted upon by an external force.

• For every action, there is an equal and opposite reaction.

• The force acting on an object is equal to the mass of that object times its acceleration.

• Energy cannot be created or destroyed, only transformed.

Which sentence best explains the process of photosynthesis?

• Photosynthesis is the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight.

• Photosynthesis is the breakdown of glucose into carbon dioxide and water to release energy.

• Photosynthesis is the conversion of glucose into energy in the presence of oxygen.

• Photosynthesis is the process of water evaporation from plant leaves.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following sentences accurately describes the role of mitochondria in cells?

• Mitochondria are the powerhouses of the cell, generating ATP through cellular respiration.

• Mitochondria are responsible for photosynthesis in plant cells.

• Mitochondria store genetic information in the form of DNA.

• Mitochondria are involved in protein synthesis.

Tags

NGSS.HS-LS1-7

Which sentence correctly describes the function of the human respiratory system?

• The respiratory system is responsible for the exchange of gases, taking in oxygen and expelling carbon dioxide.

• The respiratory system circulates blood throughout the body.

• The respiratory system breaks down food into nutrients.

• The respiratory system filters waste from the blood.

Which of the following sentences best describes the principle of conservation of energy?

• Energy cannot be created or destroyed, only transformed from one form to another.

• Energy is always created during chemical reactions.

• Energy is lost in the form of heat during physical processes.

• Energy can be destroyed under certain conditions.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Which sentence accurately describes the structure of an atom?

• An atom consists of a nucleus containing protons and neutrons, surrounded by electrons in orbitals.

• An atom is a solid sphere with no internal structure.

• An atom is composed of only protons and electrons.

• An atom is a large structure made up of smaller molecules.

Tags

NGSS.MS-PS1-1

Which of the following sentences correctly explains the water cycle?

• The water cycle involves the continuous movement of water on, above, and below the surface of the Earth.

• The water cycle is the process of water being absorbed by plants and released as oxygen.

• The water cycle is the transformation of water into hydrogen and oxygen gases.

• The water cycle is the process of water being converted into fossil fuels.

Tags

NGSS.MS-ESS2-4

Which sentence best describes the function of enzymes in biological reactions?

• Enzymes act as catalysts to speed up chemical reactions without being consumed.

• Enzymes are used up in chemical reactions and need to be replaced.

• Enzymes are responsible for storing energy in cells.

• Enzymes are the primary source of energy for cells.

Which of the following sentences correctly describes the greenhouse effect?

• The greenhouse effect is the trapping of heat in the Earth's atmosphere by greenhouse gases.

• The greenhouse effect is the cooling of the Earth's surface due to cloud cover.

• The greenhouse effect is the reflection of sunlight by the Earth's surface.

• The greenhouse effect is the absorption of ultraviolet radiation by the ozone layer.

Tags

NGSS.MS-ESS3-5

Which sentence accurately explains the concept of natural selection?

• Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

• Natural selection is the random change in the genetic makeup of a population over time.

• Natural selection is the intentional breeding of organisms to produce desired traits.

• Natural selection is the process of organisms choosing their mates based on appearance.