Process Skills/ Lab Safety

The white candle has a cylindrical shape. it has a diameter of about 3 cm. the length of the candle is 20 cm. It is hard, smooth and can be scratched. There is a white wick that extends from top to bottom.

Which is a qualitative observation from the sentence?

• diameter of about 3 cm

• length is 20 cm

• hard, smooth and can be scratched

It is a basic science process skills that suggests explanations of an observation based on past experiences.

• observing
• inferring
• measuring
• classifying

It is a process skill where you design an investigation, including a procedure, to test a hypothesis.

• formulating hypothesis
• communicating
• interpreting data
• experimenting

It is the series of steps in science that help you solve problems and answer question.

• Inferring

• Observing

• Scientific Method

• Hypothesizing

The tentative answer to a scientific problem.

• Inference

• Hypothesis

• Observation

• Prediction

What variable must be kept the same to make it a fair test?

• Control variable

• independent variable

• dependent variable

• extraneous variable

Lisa is working on a science project. Her task is to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair growth". Which is the independent variable?

• Hair growth

• Rogooti (hair product)

For the activity , Limuel separated the materials that will float and materials that will sink.

• inferring

• classifying

• predicting

Sacha weighed the sugar and salt that she will use for the experiment.

• predicting

• observing

• measuring

Aron used tables and graphs to show the results of his experiment.

• communicating

• measuring

• observing