Daisy summative first

What is the primary purpose of a scientific model?

• to make a phenomenon more complicated

• To represent a concept or process

• To prove a hypothesis without an investigation

• To make a random guess

Whaat is a scientific phenomenon?

• A tentative answer to a problem

• An unobservable occurence in nature

• Any observation occurence in nature

• A final conclusion of an experiment

What are the metallic solid solutions called?

• Solvents

• Solutes

• Alloys

• Aqueous solutions

Which of the following is NOT a basic process skill in science?

• Observing

• Experimenting

• Measuring

• Classifying

What is the definition of "defining operationally"?

• Stating how to measure a variable in an experiment

• Grouping objects based on similar characteristics

• Projecting outcomes based on observations

• Sharing results through presentations

In a sugar solution, what is the solvent?

• Water

• Sugar

• The entire mixture

• The container

What is the term for liquids that can be mixed to form a solution?

• Miscible

• Immiscible

• Saturated

• Supersaturated

What is the main purpose of a scientific investigation?

• To prove a hypothesis without a doubt

• To make a random guesses about an observation

• To perform a laboratory experiment only

• To follow a systematic process of acquiring knowledge

What is the dissolving medium in a solution?

• solute

• solvent

• alloy

• aqueous

What is a hypothesis?

• A proven scientific law

• A random guess

• A tentative answer to the problem

• A final conclusion of an experiment