FSA Review Big Idea 1 & 2, 8 & 9

Front

What is a scientific investigation?

Back

A scientific investigation is a process used to answer questions or test ideas through observation and experimentation.

Front

What is the importance of evidence in scientific results?

Back

Evidence is crucial because it supports the validity of the results and conclusions drawn from an investigation.

Front

What happens to the rate of dissolving when you stir a solution?

Back

Stirring a solution increases the rate at which a solute, like salt, dissolves in a solvent, like water.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a new substance with different properties, such as toasting marshmallows.

Front

What causes ice cream to melt?

Back

Ice cream melts when heat is added, causing the solid to change into a liquid.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in new substances.

Front

What is rusting?

Back

Rusting is a chemical process where iron reacts with oxygen and moisture, forming iron oxide, commonly known as rust.

Front

Why is it important for scientific results to be reproducible?

Back

Reproducibility ensures that results are reliable and can be verified by other scientists.

Front

What is an example of a question that can be answered by scientific investigation?

Back

An example is 'What causes some metals to rust?'

Front

What is the role of a hypothesis in a scientific investigation?

Back

A hypothesis is a testable prediction about the outcome of an experiment.