Scientific Method and Changes in Matter Quiz

A practice scenario could involve observing the process of ice melting into water and then designing experiments to study the factors that affect the rate of melting, such as temperature, surface area, or presence of impurities.

A practice scenario could involve studying the reaction between vinegar (acetic acid) and baking soda (sodium bicarbonate), and then designing experiments to explore the factors that influence the rate of the chemical reaction, such as concentration, temperature, or presence of a catalyst.

The key steps of the scientific method include making observations, asking a question, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions. In the investigation of physical changes, these steps would be applied by first observing a physical change, formulating a question about the change, developing a hypothesis, designing experiments to test the hypothesis, collecting and analyzing data, and drawing conclusions. Similarly, in the investigation of chemical changes, these steps would be applied to observe a chemical change, ask relevant questions, form a hypothesis, design experiments to test the hypothesis, collect and analyze data, and draw conclusions based on the findings.