Loading...
STEM Prep- Structure and Properties of Matter
Quiz by Taylor Julian
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
​Identifying Substances
Students conducted experiments to identify unknown substances using properties of known substances.Â
Through an experiment, the students observed that an unknown substance was a fine, white powder that did not react to vinegar, was not soluble in water, and did not conduct electricity.Â
What is the unknown substance?Â
Flour
Table Salt
Sugar
Chalk
​A student made a claim that a new substance was formed when vinegar was added to the corn starch. Use evidence to support this claim.Â
Identifying Substances
Students conducted experiments to identify unknown substances using properties of known substances.Â
Through an experiment, the students observed that an unknown substance was a fine, white powder that did not react to vinegar, was not soluble in water, and did not conduct electricity.Â
What is the unknown substance?Â
A student made a claim that a new substance was formed when vinegar was added to the corn starch. Use evidence to support this claim.Â
Which model best represents the number and arrangement of the water and sugar particles after the sample of sugar was poured into the sample of water and mixed?Â
