Scientific Method/Process Skills/Metric Measurements/Lab Safety extra info

Scientific Method:

Question: What is being asked to solve?

Hypothesis: An educated guess…written as an If…Then statement…If there is a 90% chance of rain…then I should bring my umbrella.

Procedures/Materials: Steps to follow during an experiment and items needed to successfully complete the experiment.

Perform Tests/Experiments: What you will complete and work on to get your data.

Analyze Data: Check over and carefully look over what your results were for the experiment

Draw Conclusions: Describe what you learned by completing the experiment.  Was your hypothesis correct or not? Why/Why not?

 

 

 

Science Process Skills:

Observation(Qualitative vs. Quantitative)-Qualitative=use your 5 senses(taste, touch, sight, smell, hear)  Quantitative=use a measuring instrument or device to gather an actual number or measurement for something.

Prediction: What do you think will happen in the future?

Communication: Discuss/Talk about what you see and what is going on in the experiment.

Classification: Organize your info

Inference: An explanation or interpretation of an observation.  There are only red m&m’s in the package…therefore red must be the favorite color of this candy company.

Metric Measurements: Ruler=length(cm,mm), Metric Tape=length(cm,m) Triple beam balance(mass=g)  Spring Scale=weight(N), Graduated cylinder=volume(ml, liters)

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Metric Conversions:

King(kilo=km, kl, kg)

Henry(hecto=hm, hl, hg)

Died(deka=dhkm, dkl, dkg)

By(base=meter, liter, gram)

Drinking(deci=dm, dl, dg

Chocolate(centi-cm, cl, cg)

Milk(milli=mm, ml,mg)

measuring length=km, m, cm, mm

measuring volume=liters, ml

measuring mass=grams, mg

 

***Swimming Pool Method: Intertube or no Intertube? Place a decimal point always after the number if no decimal point is given.  Example 245 would be 245.  Draw an arrow to show which way you are moving on the chart.  An arrow to the right means your answer will get larger…Example 40cm=400mm   An arrow to the left means that your answer will get smaller. Example 200cm=20dm

If there is nothing in the swimming pool, you must add an intertube(0)  If there is something already in the swimming pool or an intertube is already in the pool, just leave it alone, you do not need to add anything.

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1 MILLIMETER

thickness of a penny

 

 

 

 

 

1 CENTIMETER

width of your pinky finger

 

 

1 DECIMETER

nearly the length of a crayon

 

 

 

 

 

1 METER

length of a guitar

 

1 DEKAMETER

about the height of a 3-story building

 

 

 

 

 

 

1 HECTOMETER

little longer than a football field

 

 

1 KILOMETER

approximately the length of 6 city blocks

 

 

 

 

 

 

1 MILLIGRAM

tiny ant

 

 

 

1 CENTIGRAM

adult housefly

 

 

 

1 DECIGRAM

toothpick

 

 

 

1 GRAM

small paper clip

 

 

 

1 DEKAGRAM

2 nickels

 

 

 

 

1 HECTOGRAM

thin razor cell phone

 

 

 

1 KILOGRAM

baseball bat

 

1 MILLILITER

about 20 drops of water

 

 

 

 

1 CENTILITER

2 teaspoons of water

 

 

 

1 DECILITER

small-sized hair products

 

 

 

1 LITER

water bottle

 

 

1 DEKALITER

medium-sized bucket

 

 

1 HECTOLITER

helium tank

 

 

1 KILOLITER

large aquarium

 

 

LENGTH

 

MASS

 

VOLUME

(SPACE)

 

BASE

 

Lab Safety:Safety gloves, goggles, fire extinguisher, soap and water, lab cleanup

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