Olimpiade ipaNasional 2025

What is the first and most important step in conducting a scientific experiment?

• Making a report

• Collecting data

• Formulating the problem

• Drawing conclusions

When observing the growth of plants, what should be regularly recorded?

• The color of the pot

• The type of soil around it

• The height of the plant

• The brand of fertilizer used

What is a hypothesis in a research study?

• The final result of the experiment

• A temporary assumption that needs to be tested for its truth

• The tools and materials used

• The steps to conduct the experiment

If a student wants to find out whether the type of soil affects the growth of green beans, what is the independent variable in this experiment?

• The height of the green bean plant

• The amount of water given

• The type of soil

• The observation time

After conducting an experiment and collecting data, what is the next step in the scientific method?

• Formulating the problem

• Making a hypothesis

• Analyzing the data

• Repeating the experiment

What is the most appropriate tool used to measure the temperature of water?

• Ruler

• Scale

• Thermometer

• Measuring cup

In the experiment of making an artificial volcano, what do the mixture of baking soda and vinegar produce?

• Light

• Heat

• Bubbles of gas

• Loud sound

Why is it important to conduct experiments more than once?

• To appear more diligent

• To obtain different results

• To increase the accuracy and reliability of results

• To make the experiment report longer

When writing an experiment report, which section contains a summary of the experiment results?

• Objective

• Tools and Materials

• Results and Discussion

• Conclusion

What scientific attitude should a researcher possess?

• Easily gives up

• Closed to criticism

• A great curiosity

• Believes in a single source of information