Characteristics of Life
Term for keeping the internal environment relatively stable
What is Homeostasis
Water is this type of molecule that has differing charges at either end
What is a polar molecule
An example: Athletes who drink sports drink perform better than those who drink just water because of the electrolytes.
What is hypothesis
The group being exposed to the factor being tested
What is the Experimental Group
Anything that takes up space and has mass
What is Matter
In the levels of organization, this level is a group of tissues functioning together for a specific task
What is Organ
The connection between molecules of the same substance
What is Cohesion
More than a guess and supported by a large amount of evidence
What is a Theory
The factor being tested
What is the Independent Variable
Bonds formed between a metal and a non-metal
What is an Ionic Bond
In the levels of organization, this level is the smallest level of an organism
What are molecules
For water it is 4.18 J/g oC. It refers to the amount of energy needed to change the temperature of a molecule
Can usually be expressed mathematically
What is a Law
Data that uses measurements
What is Quantitative Data
Bond where the electrons are not shared equally
A grasshopper molting its exoskeleton is displaying this characteristic of life
What is Grow or Develop
Caused by cohesion, this is the reason for the meniscus in the test tube or the curve of a drop of water.
What is surface tension
Predicts the outcome of an investigation
What is a Hypothesis
The results are analyzed and the hypothesis is supported or rejected
What is the Conclusion
A chemical or combination of chemicals that keeps pH within a range
What is a Buffer