School Improvement in Maryland

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Standard 4.0 Chemistry

Topic B. Conservation of Matter

Indicator 1. Provide evidence to support the fact that the idea of atoms explains conservation of matter.

Objective a. Use appropriate tools to gather data and provide evidence that equal volumes of different substances usually have different masses.

Selected Response Item

A student has one liter of feathers and one liter of iron nails.

Which statement best compares the masses of the two samples?

  1. The masses cannot be compared without a balance.
  2. The mass of the feathers is less than the mass of the nails.
  3. The mass of the feathers is the same as the mass of the nails.
  4. The mass of the feathers is greater than the mass of the nails.
/share/assessment_items/xml/items/msa_science_8_013.xml

Correct Answer:
B