Production of a gas, color changes, a change in temperature, and the formation of a precipitate are all evidence of a chemical reaction. NGSS 5-PS1-4: Conduct an investigation to determine whether the ...

The mass of a substance – solid, liquid or gas – is measured with a balance. This mass balance could be attached to a data logger to measure the decrease in mass against time continuously and ...

Students will be able to plan and carry out an investigation to compare the amount of gas produced in reactions between baking soda and baking powder when vinegar is added. Students will be able to ...