Pcb 1 Unit 1 Practice Quiz

A(n)_______is the variable you change

Here is an experiment that has missing parts, please identify the missing parts that are important.1) measure the length of the tube and record the length in cm in the data table.2) hold the first tube upright until the bubble reaches the top of the tube. Quickly flip the tube over and start recording the time it takes for the bubble to rise to the top.3) graph your results on this page

• A.

  Control group

• B.

  Not specific enough/Mr.Herzick could not redo this experiment

• C.

  Materials

• D.

  Color of tube

This is a graph showing an indirect relationship.

• A.

  True

• B.

  False

50cm=___km

In an experiment testing how far paper planes can travel depending on wingspan, what options need to be kept constant?

• A.

  Weather

• B.

  Wingspan

• C.

  Throwing style

• D.

  Type of soil used

• E.

  Length it travels

• F.

  Ur mom :)

• G.

  Type of paper used

Find the mass in grams if the density of an object is 4 grams and the volume is 9 ml.