7th Grade - Lesson 1 - Scientific Investigations Quiz

What is observation in scientific investigations?

• An organized procedure to study something under controlled conditions

• A process of obtaining information by using the senses

• A representation of an object or system

• A testable idea or explanation

What do scientists often conduct to find out the cause of something they have observed?

• Models

• Hypotheses

• Experiments

• Theories

What is another type of investigation besides experiments and observations?

• Hypotheses

• Models

• Theories

• Predictions

What are models useful for studying?

• Only very small things

• Only very large things

• Only very complex things

• Things that are very small, large, or complex

What is a hypothesis?

• A representation of an object or system

• A process of obtaining information by using the senses

• A testable idea or explanation that leads to scientific investigation

• An organized procedure to study something under controlled conditions

How can a hypothesis be tested?

• By models

• By experiments or observations

• By theories

• By predictions

What must hypotheses be carefully constructed to be?

• Practical and meaningful

• Large and complex

• Small and simple

• Observational and experimental

What do scientists study in their investigations?

• Only the human body

• Only the weather

• All aspects of the natural world

• Only very small things

What do scientists take careful notes about in a scientific observation?

• Only the results of experiments

• Everything he or she observes

• Only the models they create

• Only the hypotheses they test

What is an independent variable in a scientific investigation?

• A. A factor that is deliberately manipulated

• B. A factor that changes as a result of manipulation

• C. A piece of information gathered by observation

• D. A specific question that a scientist wants to answer