Year 7 Word List Quiz Sem 2 Exam

What is the study of forces, energy, and matter called?

• Biology

• Chemistry

• Physics

• Geology

Which field of study focuses on the Earth?

• Biology

• Geology

• Chemistry

• Physics

What is the term for something that can cause harm?

• Risk

• Hazard

• Method

• Procedure

What is the purpose of a laboratory?

• To store chemicals

• To conduct experiments

• To teach students

• To write reports

What is an educated guess of the expected results for an experiment called?

• Conclusion

• Hypothesis

• Observation

• Inference

What is the term for the variable that is deliberately changed in an experiment?

• Dependent variable

• Independent variable

• Control variable

• Extraneous variable

What does the term 'extrapolate' mean in the context of data analysis?

• To measure data

• To extend a trend beyond gathered data

• To summarize data

• To ignore outliers

What is the Particle Theory of Matter?

• All matter is made up of vibrating particles.

• Matter is composed of atoms and molecules.

• Matter is only made up of solid particles.

• Matter is made up of non-vibrating particles.

What is the definition of density?

• The amount of space a substance occupies.

• A measure of how much matter there is within a certain volume.

• The number of particles in a substance.

• The weight of a substance in grams.

What is sublimation?

• Change of state from liquid to gas.

• Change of state from solid to liquid.

• Change of state from solid to gas with no liquid intermediate.

• Change of state from gas to liquid.