Understanding Key Terms for Grade 7

What is the definition of a noun?

• A noun is a word that only represents a feeling.

• A noun is a word that represents a person, place, thing, or idea.

• A noun is a word that connects phrases and clauses.

• A noun is a type of verb that describes an action.

Explain the concept of photosynthesis.

• Photosynthesis is the process by which plants convert light energy into chemical energy, producing glucose and oxygen from carbon dioxide and water.

• Photosynthesis is the conversion of chemical energy into light energy.

• Photosynthesis occurs only in the presence of soil nutrients.

• Photosynthesis is the process of respiration in animals.

What is the main idea of a story?

• The setting and location of the story.

• The author's biography and background.

• The plot twist of the story.

• The central theme or message of the story.

Define the term 'ecosystem'.

• A method of cooking food.

• An ecosystem is a community of living organisms and their physical environment interacting as a system.

• A type of weather pattern.

• A collection of plants in a garden.

What is the purpose of a thesis statement?

• To entertain the reader with anecdotes

• The purpose of a thesis statement is to present the main idea or argument of a piece of writing.

• To summarize the entire essay

• To provide a list of references

Describe the process of mitosis.

• Mitosis occurs only in prokaryotic cells.

• Mitosis is the process of cell division that results in two identical daughter cells through stages: Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis.

• Mitosis results in four genetically different daughter cells.

• Mitosis is the process of protein synthesis in cells.

What is the significance of the water cycle?

• It is solely responsible for ocean currents.

• The water cycle is significant because it sustains life, regulates climate, and supports ecosystems.

• It has no impact on human activities.

• It is only important for weather prediction.

Explain the term 'democracy'.

• Democracy is a system where decisions are made by a small group of elites.

• Democracy is a type of government that does not allow public participation.

• Democracy is a form of government where a single ruler has absolute power.

• Democracy is a system of government where the people have the authority to choose their governing legislation.

What are the three branches of government?

• Legislative, Executive, Judicial

• Executive, Legislative, Local

• Judicial, Executive, Municipal

• Legislative, Administrative, Regulatory

Define 'hypothesis' in scientific research.

• A hypothesis is a summary of existing research findings.

• A hypothesis is a testable prediction about the relationship between variables in scientific research.

• A hypothesis is a definitive conclusion drawn from data.

• A hypothesis is an untestable assumption about the past.