Your Name:

Explain This!


Consider the following data:

Substance Mass (g) Vol of Water (mL) Vol of Water
Plus Substance (mL)
Copper (Cu) 3.76 5.30 5.72
Styrofoam 0.15 5.62 7.12
Maple Wood 6.35 2.03 10.44
Gold (Au) 26.47 4.37 5.74

Which of the four items above will float in H2O? Which of the four items will float in mercury (Hg)? Water has a density of 1 g/mL and mercury has a density of 13.6 g/mL. Explain your answer using the data given in the table. Calculations alone are not enough! You must use scientific reasoning to justify your claims.

Scientific Explanation Scaffold

Make a Claim

Answer the question.

Provide One Piece of Evidence

Provide More Evidence

If you have more pieces of evidence
then include them here.

Restate Claim


Summarize the Evidence

Show the reasoning
Overview of writing scientific explanations.
Last updated: Jan 31, 2007       Home