Working Scientifically Flashcards

Flashcards for reviewing key science concepts, experiments, and hazard symbols.

Roaring Flame

Used for heating strongly; Blue flame

Safety Flame

Used when the Bunsen burner is on but not in use

Independent Variable

The one thing you change in an experiment; Limit to only one

Dependent Variable

The change that happens because of the independent variable.

Controlled Variables

Things to remain constant and unchanging during an experiment.

Observation

Make an observation of something

Question

Ask a question based on your observation

Hypothesis

An explanation that needs investigating

Experiment

Conduct an experiment to test your hypothesis

Results

Collect results and analyse them

Conclusion

Show what do your results. Was your hypothesis correct?

Evaluation

How could you improve your experiment for next time?

Explosive

Substance that can explode if not handled correctly.

Harmful/Irritant

Not corrosive but will make the skin red or blister.

Corrosive

A chemical will attack your skin if you get it on you.

Highly Flammable

A chemical will catch fire easily.

Harmful to the Environment

Could cause harm to the environment and the organisms living in it (especially aquatic ones).

Toxic

This chemical is poisonous if consumed or breathed in!

Health Hazard

These substances are highly dangerous and life-threatening.

Oxidising Agent

Provides oxygen to make other substances burn more fiercely.