Assessment Sheet - Surface Tension And Bubbles

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Section 6 Assessment

STUDENT RESOURCE 6.5

ASSESSMENT SHEET

Vocabulary

Draw lines to match each deﬁ nition with the correct term.

the factor in an experiment that is changed

dependent variable

a factor that doesn’t change in an experiment

independent variable

constant

the variable that changes as a result of changing

the independent variable in an experiment

Drop Shape

Label each drop below to show which is plain water and

which is soapy water.

Surface Tension

Carefully place the pin on the surface of the water in the

cup. What does the pin do?

Now place a drop of detergent in the water. What happens

to the pin when you add the detergent?

Explain what happened in terms of surface tension.

CHEMISTRY • SECTION 6 SURFACE TENSION AND BUBBLES

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