Ana notes that an unlit candle is white. Which basic science process skill is she using?

Paolo writes a detailed description of the class experiment so another group can understand what happened. This demonstrates which skill?

Jun places clear mixtures in one group and cloudy mixtures in another. What skill does this demonstrate?

A candle's height is recorded as 8.5 cm using a ruler. Which process skill produced this numerical value?

After examining a candle's appearance and texture, Bea suggests that it is made of wax. Which skill is involved in this explanation?

Carlo uses earlier burning times to estimate how long another candle will last. Which process skill is he applying?

Mixing magnesium sulfate solution with sodium carbonate solution produces an insoluble white solid. What is this solid called?

Which dissolved substances commonly cause water to form curd-like material when mixed with soap?

What should learners wear to protect their eyes during the sodium carbonate demonstration?

Before testing, Mara states that sprouts given tea will grow taller than sprouts given plain water. What is this statement?

Mara switches the watering treatment from plain water to tea while keeping other growing conditions unchanged. What role does the factor she changes have?

Which tool should Mara use to record bean sprout height in centimeters?

Learners compare soap and a white solid using equal masses, water volumes, and numbers of shakes. They then count bubbles. Which is the dependent variable?

Luis shakes the soap bottle ten times and the white-solid bottle twice. All other conditions match. Which revision best isolates the effect of material type on bubble production?

Read the bottom of the meniscus. What volume of liquid does the graduated cylinder contain?

How should Liza position her eyes when checking the volume of water in a graduated cylinder?

Use the trial table. What is the average number of bubbles produced by soap?

These trials used the same procedure and conditions. Which feature of the graph supports reliability?

Under equal test conditions, a saved white solid produces fewer bubbles than soap. Which conclusion is justified without further tests?

In which report section should learners explain how their results support or challenge their proposed explanation?