Lab Report PLEASE HELP ME Introduction

1. What was the purpose of the experiment?

2. What were the independent, dependent, and control variables in your investigation?

3. Write a hypothesis based on observations and scientific principles.

Experimental Methods

1. What tools did you use to collect your data?

2. Describe the procedure that you followed to conduct your experiment.

Data and Observations

1. Record your observations. Include the data table you created for the lab and a graph based on the data table.

Conclusions

1. What conclusions can you draw about the relationship between the temperature of a ball and its bounce height? Is there a direct or inverse relationship? Write an evidence-based claim.

2. What are some sources of error in your experiment? What are some ways that you could improve the accuracy and precision of the measurements?

Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa.which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.