Grade 9 Physics - Scientific Inquiry and Measurement

Vocabulary flashcards focusing on scientific method steps, experimental design terms, observational tools, and standard measurement instruments.

Scientific Method

A systematic process used to investigate questions and test hypotheses, made reliable through evidence and repeatability to help reduce bias.

Bias

A personal preference or prejudice that affects judgment.

Control Variables

Conditions kept the same during an experiment to isolate cause, trust results, and draw valid conclusions.

Telescopes

A technology tool used by scientists to observe distant planets.

Microscopes

A technology tool used by scientists to observe cells.

Control Group

A group used as a reference in an experiment.

Correlation

A relationship between variables that alone does not prove causation without additional controlled experiments.

Units of Measurement

Standards for measuring physical quantities that make scientific communication clear and consistent.

Meter Ruler or Measuring Tape

Measurement instrument used to measure the length of a table.

Triple Beam Balance or Digital Balance

Measurement instrument used to measure the mass of a textbook.

Thermometer

Measurement instrument used to measure the temperature of water.

Graduated Cylinder

Measurement instrument used to measure the volume of juice.