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Living Systems
Chapter One: Studying Life <ul><li>1.1  Measurements </li></ul><ul><li>1.2  Thinking Like a Scientist </li></ul><ul><li>1....
1.2 Thinking like a scientist <ul><li>Science   is a process of thinking and learning about the world around us. </li></ul...
1.2 Steps of Scientific Method
 
1.2 Hypothesis <ul><li>A  hypothesis  is a prediction that can be tested with an experiment. </li></ul>Maria’s Hypothesis:...
1.2 Designing Experiments <ul><li>A  variable  is a factor that affects how a system works.  </li></ul><ul><li>When design...
 
1.2 Designing Experiments <ul><li>An  experiment  is a controlled test to determine if a hypothesis is correct. </li></ul>...
1.2 Data and Conclusions <ul><li>Each time you do the same experiment, it is called a  trial . </li></ul>Maria repeated he...
1.2 Data and Conclusions <ul><li>After analyzing the data, you should be able to state whether your hypothesis is correct,...
1.2 Data and Conclusions <ul><li>A  lab report   is a good way to communicate the results of an experiment to others. </li...
 
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Science Skills

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Transcript of "Science Skills"

  1. 2. Living Systems
  2. 3. Chapter One: Studying Life <ul><li>1.1 Measurements </li></ul><ul><li>1.2 Thinking Like a Scientist </li></ul><ul><li>1.3 Graphs </li></ul>
  3. 4. 1.2 Thinking like a scientist <ul><li>Science is a process of thinking and learning about the world around us. </li></ul><ul><li>The scientific method is a process used by scientists to answer questions. </li></ul>Can mud turn into worms?
  4. 5. 1.2 Steps of Scientific Method
  5. 7. 1.2 Hypothesis <ul><li>A hypothesis is a prediction that can be tested with an experiment. </li></ul>Maria’s Hypothesis: Worms come to the surface after a heavy rain so they won’t drown in wet mud .
  6. 8. 1.2 Designing Experiments <ul><li>A variable is a factor that affects how a system works. </li></ul><ul><li>When designing an experiment, you identify the important variables in the system and change only one variable. </li></ul>Maria changed the soil type in her experiment. She did NOT change the worms, how long they stayed in light or the temperature.
  7. 10. 1.2 Designing Experiments <ul><li>An experiment is a controlled test to determine if a hypothesis is correct. </li></ul><ul><li>A system is a group of factors that are related in some way. </li></ul>Maria’s experiment took place in a tank. The system included the worms, tank and soil.
  8. 11. 1.2 Data and Conclusions <ul><li>Each time you do the same experiment, it is called a trial . </li></ul>Maria repeated her experiment 4 times. This gave her more results to consider.
  9. 12. 1.2 Data and Conclusions <ul><li>After analyzing the data, you should be able to state whether your hypothesis is correct, partially correct, or incorrect. </li></ul>Maria compared data from tank 1 to tank 2.
  10. 13. 1.2 Data and Conclusions <ul><li>A lab report is a good way to communicate the results of an experiment to others. </li></ul>
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