The Scientific Method and Lab Safety

Front

What is a hypothesis?

Back

A hypothesis is a prediction or educated guess about the outcome of an experiment, based on prior knowledge and observations.

Front

When is it OK to eat or drink in the lab?

Back

Never.

Front

When should you tie back long hair or baggy clothing in the lab?

Back

Always.

Front

What tool is used to measure mass in grams?

Back

Triple beam balance.

Front

What are controlled variables in an experiment?

Back

Controlled variables are factors that are kept constant to ensure a fair test, such as type of plant, amount of music, and sunlight.

Front

What is the first step of the scientific method?

Back

The first step is to ask a question based on observations.

Front

What is the purpose of a conclusion in an experiment?

Back

The conclusion summarizes the results and determines whether the hypothesis was supported or not.

Front

What is an observation in the scientific method?

Back

An observation is the act of noticing and describing events or processes in a careful, orderly way.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numbers and measurements.

Front

Why is lab safety important?

Back

Lab safety is important to prevent accidents, injuries, and to ensure a safe working environment.