SCIENTIFIC METHOD. 15 sec to get in groups of 4 Use whiteboards to write scientific method 10 min Look at other boards, add to your whiteboard if need.

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SCIENTIFIC METHOD

15 sec to get in groups of 4 Use whiteboards to write scientific method 10 min Look at other boards, add to your whiteboard if need to 3 min

Sci method song:

OBSERVATION ACTIVITY CANDY: Write list of observations Observation Game PENNY: Write list of observations using all senses. Use hand lens if you need to. Compare list with partner. Any observations that you can make with numbers? Quantitative VS Qualitative Why do we need both? What are some issues?

Observation: receiving knowledge of the outside world through our senses, or recording information using scientific tools and instruments Qualitative: describe the quality ex: color, luster, taste, smell, etc. Quantitative: measuring the quantity ex: height, mass, volume, length, temp, etc.

METRIC SYSTEM Meter: Length Liter: Volume Grams: Mass 1. 3km= m 2. 4g= cg 3. 5ml= l

METRIC SYSTEM Practice Cut out and put in notebook

OBSERVATION OR INFERENCE? Inference: conclusion reached on basis of evidence and reasoning EX: classroom door unlocked, hot coffee on desk, lights are on Difference between observation and inference?

Prediction: a guess what might happen based on observations Look at pictures again and make predictions

5 observations 5 inferences 5 predictions Write on board

PREDICTION VERSUS HYPOTHESIS Hypothesis: a possible explanation for a observation or problem that can further be tested by experimentation (educated guess) What is the difference? A prediction is basically an attempt to "guess" what will happen next. A hypothesis, on the other hand, establishes a relationship, which helps explain what happens.

HERE ARE THE STEPS TO FORM A HYPOTHESIS: Think about any observations or previous knowledge you know about the variables. Express what you think will be the effect of changing one of the variables (Independent variable) on the other variable you expect to change (Dependent variable). Develop your hypothesis using a statement. If the (independent variable) ( describe how you would change it), then the (dependent variable ) will (describe the effect)

VARIABLES

PRACTICE WRITING A HYPOTHESIS