LS.1 a-j The student will plan and conduct investigations

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LS.1 a-j The student will plan and conduct investigations Snapshot What do you think of when you see the words: Scientific Method K W L LS.1 a-j The student will plan and conduct investigations

The student will plan and conduct investigations LS.1 Scientific Inquiry The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Scientific Method Series of organized steps used to solve a problem Used by scientists and people around the world 6 main steps Observation & Stating the Problem Research Hypothesis Experiment Analyze Data Conclusion LS.1 a-j The student will plan and conduct investigations

1. Observation & Stating the Problem All 5 senses (sight, smell, hearing, feeling, taste) Gather information (just the facts) Ex. The board is black Stating the Problem What could change or what causes what was observed? Infer Use observation & what you know to state what has happened Ex. The board may be black b/c it doesn’t have chalk on it. LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Observation Practice LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations 2. Research Gathering information About the problem Experiments others have done Print Books Science journals/ magazines Non-print People Internet LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations 3. Hypothesis Educated guess Based on research If…. then statement Shows how two variables are related Variables Things that can change in an experiment 3 types Independent Dependent Controlled/Constants LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Variables Independent You change on purpose Manipulated variable IV Control Shows that its only the IV that causes the effect Receives none of the IV (no change) The standard used to compare with the outcome in an experiment Dependent Reacts/ responds to changing IV DV What you measure in an experiment Controlled Variable= constants Things that can change, but you do not allow them to LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Quiz 1 An observation uses _____ to gather information. The _______ is changed on purpose in an experiment. A ________ is an educated guess. Anything that can change in an experiment is called a _______. LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Journal 1 Make a scientific observation of this classroom. LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Snapshot What are the three kinds of variables? This screen will disappear in 3 minutes. Seconds Remaining: 7 8 10 6 9 3 2 20 4 5 30 180 120 130 70 140 40 60 50 170 150 160 80 110 100 1 90 LS.1 a-j The student will plan and conduct investigations

Format for Writing a Hypothesis If the __IV__ __(changes this way)__, then the __DV__ will ___(change this way)___. Ex. Plants in the sun seem grow taller than plants in the shade. IV = amount of sunlight DV= height of plant Hypothesis: If the amount of sunlight increases then the plants height will increase. LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations 4. Experiment Procedures used to test a hypothesis at least 3 trials for each type of IV Has Constants Not allowed to change Make more accurate Gives data Quantitative Qualitative LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations 5. Analyze Data Organize data into charts and graphs Easier to see relationships Easier to look at LS.1 a-j The student will plan and conduct investigations

Charts & Tables No sun 4 cm 3.5 cm 3.8cm Sun 7 cm Title The effect of _IV_ on _DV_ IV goes on left column DV or results go on right column Mean = average The Effect of Amount of Sunlight on Height of Plant Amount of Sunlight (IV) Height of Plant (DV) Trial 1 Height of Plant DV Trial 2 Trial 3 Mean Height No sun 4 cm 3.5 cm 3.8cm Sun 7 cm LS.1 a-j The student will plan and conduct investigations

Charts & Tables No sun 4 cm 3.5 cm 3.8cm Sun 7 cm Title The effect of _IV_ on _DV_ IV goes on left column DV or results go on right column Mean = average The Effect of Amount of Sunlight on Height of Plant Amount of Sunlight (IV) Height of Plant (DV) Trial 1 Height of Plant DV Trial 2 Trial 3 Mean Height No sun 4 cm 3.5 cm 3.8cm Sun 7 cm LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Graphs Visual / picture of data 3 Types– look at IV to determine type Line If IV is quantitative or continuous an amount of something Numbers, years, etc Bar If IV is qualitative A type of something Names, kinds, etc Pie Used to show percentages LS.1 a-j The student will plan and conduct investigations

Setting up Graphs Title Label each axis Choose type of graph The effect of _IV_ on _DV_ Label each axis X-axis (horizontal) = IV Y-axis (vertical) = DV Choose type of graph Set scale/ increments Same number between each line Plot points The Effect of Amount of Sunlight on Height of Plant Y X LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Snapshot Temperature may cause leaves to change color. IV= __________ DV= __________ Label the axis correctly LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Quiz 2 Bacterial growth may be affected by temperature. IV= __________ DV= __________ Hypothesis:_________________________ Label the axis correctly LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Snapshot List the steps of the scientific method in order. Which step involves using all 5 senses to gather information? Which step is based on observation & research? LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Snapshot Make a graph and table of the following data: The height of a tree was measured over a number of years 4 yrs- 1meter, 8 yrs-2 m, 12yrs -3m, 16yrs-9 m, 18 yrs-16m LS.1 a-j The student will plan and conduct investigations

The Effect of # of Years on Height of Tree (m) 4 1 8 2 12 3 16 9 18 LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations 6. Conclusion Did the data support the hypothesis? Never says right or wrong Ex. The data supported the hypothesis in that _________________________________. Share with others. LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations SI System Systeme Internationale d’Unites Used by scientists all around the world Metric system Base ten (uses prefixes) LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations SI Unit of Mass Amount of matter in an object Base Unit Gram (g) Lab tool Triple beam balance Spring scale Double pan balance LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations SI Unit of Volume Amount of space an object takes up Base Unit Liters (L) Cubic centimeter (cc) Solids Length x width x height Tools Graduated cylinder Beakers flasks LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations SI Unit of Length Distance between two points Base Unit Meter (m) Lab Tool Metric ruler Meter stick LS.1 a-j The student will plan and conduct investigations

LS.1 a-j The student will plan and conduct investigations Model Scaled version of an original Used when original is too: large small expensive to see or experiment on. Ex. Globe, map, toy car LS.1 a-j The student will plan and conduct investigations