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Measure- ment. Graphing. Scientific Method. Definitions. Miscellanious. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. 1m = __________cm. 100 cm. 300cL= _______mL. 3,000mL. - PowerPoint PPT Presentation
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Measure-ment Graphing Scientific
Method Definitions Miscellanious
1m = __________cm
100 cm
300cL= _______mL
3,000mL
526Kg= ______g
526,000g
The label on a bottle of Pepsi indicates the bottle contains 895
mL of soft drink. How many liters of Pepsi are in the bottle?
0.895 L
A beaker contains 0.48 L of acetic acid. What is the volume
of this liquid in milliliters?
480mL
Name the three types of graph used most often in science
Line, bar, pie
What percentage of human blood is NOT red blood cells?
57
Which method of transportation is used most by adults?
Bus
What is the number of adults that do not use a vehicle as their method of
transportation?
9
Determine the number of grams of sugar that will dissolve in 100 grams
of water at 80oC
400g
A possible solution to a problem, educated guess
hypothesis
When designing an experiment, what is the first step?
Stating the problem
In this step the scientist records observations by making charts and
graphs
Analyzing data
What step do you return to if your conclusion does not support your
hypothesis?
Forming a Hypothesis
In an experiment to determine whether the popping of popcorn is
affected b the temperature at which it is stored, counting the popped
kernels is an example of ?
a. Conclustionb. Controlc. Observationd. hypothesis
observation
Factor that does NOT change in an experiment
constant
An explanation of how and why a natural phenomenon behaves the
way it does
Scientific theory
Standard by which the test results can be compared
control
Carrie did a study to compare the amount of matter in different types
of vegetables. What is Carrie measuring?
mass
April performed an experiment that involved various liquids. In the
experiment, she had to determine how much space was occupied by each liquid. What was April trying
to determine?
volume
What is the symbol for centimeter?
cm
Lincoln is measuring the dimensions of his office. If he measures the
distance from one end of a wall to the other, what is he measuring?
length
Modern version of the metric system
SI
One one-thousandth is expressed by what prefix?
milli
The students used correct lab practice when handling samples of
pond water. Which practice is NOT an example of correct lab practice?
A. Washing hands before and after each lab session
B. Wearing disposable gloves C. Discarding samples down the drain D. Disinfecting the lab countertop before
and after each lab session
B. Discarding samples down the drain
• You are testing to see how caffeine effects the heart rate of water flees. Two groups of water flees were tested. Group one received 300mg of caffeine and group two received no caffeine. The water temperature was kept at 20 degrees Celsius for both groups. – Independent variable– Dependent variable– Constant– control
• You are testing to see how caffeine effects the heart rate of water flees. Two groups of water flees were tested. Group one received 300mg of caffeine and group two received no caffeine. The water temperature was kept at 20 degrees celcius for both groups. – Independent variable - caffeine– Dependent variable - heartbeat– Constant – water temp, pop size– Control – group 2
