Exploring Science Through Experiments CFA

Which of the following is an example of a descriptive investigation?

• Measuring the temperature of water at different times of the day.

• Designing a new type of water filter.

• Building a model of the solar system.

• Testing the effect of sunlight on plant growth.

Tags

TEKS.SCI.5.1B

What is the primary purpose of using a graduated cylinder in an experiment?

• To measure mass.

• To measure volume.

• To measure temperature.

• To measure length.

Tags

TEKS.SCI.5.1D

Which of the following safety equipment is essential when heating substances in a lab?

• Safety goggles.

• Gloves.

• Lab coat.

• All of the above.

Tags

TEKS.SCI.5.1C

When collecting data on plant growth, which tool would be most appropriate to measure the height of the plants?

• Thermometer.

• Balance scale.

• Metric ruler.

• Microscope.

Tags

TEKS.SCI.5.1D

What is the first step in planning a simple experimental investigation?

• Collecting data.

• Formulating a hypothesis.

• Analyzing results.

• Drawing conclusions.

Tags

TEKS.SCI.5.1B

Which of the following is NOT a safe practice in the science lab?

• Tying back long hair.

• Wearing open-toed shoes.

• Reading all instructions before starting an experiment.

• Using safety goggles.

Tags

TEKS.SCI.5.1C

Which tool would you use to observe tiny details of a leaf?

• Hand lens.

• Microscope.

• Meter stick.

• Beaker.

Tags

TEKS.SCI.5.1D

Why is it important to record observations and measurements during an experiment?

• To ensure the experiment is fun.

• To provide evidence for conclusions.

• To make the experiment longer.

• To avoid using safety equipment.

Tags

TEKS.SCI.5.1E

Which of the following tools would be best for measuring the mass of a small object?

• Graduated cylinder.

• Digital scale.

• Thermometer.

• Stopwatch.

Tags

TEKS.SCI.5.1D

What should you do if you accidentally spill a chemical in the lab?

• Ignore it and continue working.

• Clean it up immediately without telling anyone.

• Inform the teacher and follow their instructions.

• Leave the lab immediately.

Tags

TEKS.SCI.5.1C