Name: ______________________ Hr. ______
Testable Question: Does the depth below the surface (cm) affect the number of fossils collected?
Students want to know if the depth below the surface affected the number of fossils they would
find. They went to four different depths and collected three buckets of fossils. They recorded the
number of fossils found per bucket..
1. What is the independent variable? __________________________________
2. What is the dependent variable? _______________________________ (__)
unit
3. Constants (at least 2) ___________________________________________
___________________________________________
1. Depth 100 cm: found 2, 3 and one fossil
2. Depth 150 cm: found 8, 10 and 7 fossils
3. Depth 200 cm: found 15, 16 and 16 fossils
4. Depth 250 cm: found 32, 30 and 35 fossils
The effect of ________________________ on the _______________________
Average
Make a graph using the data from the table. Be sure to include a title, labels, units, and
intervals. Use the boxes below to show your math!!
The effect of
________________________________________________
DV
SCALE (DV) (Y-axis)
SPACING (IV) (X-axis)
Highest average from data = ______
# of boxes (going up graph) =
# of boxes (going across graph) = ______
# of averages to graph
=
ROUND
UP
ROUND
DOWN
USE
ANSWER
USE
ANSWER