STEM Prep- Structure and Properties of Matter
Quiz by Taylor Julian
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Identifying Substances
Students conducted experiments to identify unknown substances using properties of known substances.
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.
What is the unknown substance?
29Flour
Table Salt
Sugar
Chalk
- Q1
Identifying Substances
Students conducted experiments to identify unknown substances using properties of known substances.
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.
What is the unknown substance?
Flour
Table Salt
Sugar
Chalk
300s - Q2
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.
Users enter free textType an Answer300s - Q3
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?
300s
