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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
Is it true or false a control group must be present in an experiment?
True!- Without a control group you have nothing to compare your experimental data with... so you cannot prove anything.
An example:
If you wish to test if a mutant plant grows better than a wildtype plant. You couldn't just grow the mutant plant and say it's better or worse than the wildtype if you haven't grown the wildtype plant aswell.
What statement describes a chemical property?
The mathematical is answer is pi divided 1.23472 which will then have the matter of 3893 and then u will be able to figure out what chemical property is from doing none of this
What was Democritus conclusion for his experiment?
well, basically he accounted the change of the world existence and nonexistence.
Diffusivity coefficient for toluene in air?
molecular diffusivity of toluene in the air is 8.14 × 10−6 m2/s
yes this is a true statement, everyone at southwestern college agrees with this statement.
What in an uncontrolled variable in an experiment?
nuA uncotrolled variable is something you change between two exact experiments.
Ex. You have 2 jars of water, but you put one in the dark. your uncontrolled variable is the amount of light
Barium is an Alkaline Earth Metal found in Group 2 of the Periodic Table.
Why does triethylamine water system has lower consolute temperature?
triethyl amine in water system,it was cool in ice bath,when it cooling temperature is decreases so misibility occurs so graph will come lower consolute temperature
it contains conclusions not explained by the evidence given
Is zeolite in the periodic table?
No, they are absorbents which can have large number of ions like Na, Ca, K,.
How had Moshe changed as a result of his experience?
he had changed because he had been captured by the Nazis and knew what was going to happen but was lucky enough to escape & when he trys to warn the people they think he is lying and or crazy.
Which statement best describes the focus on the Rachel Carson's book Silent Spring?
America must be more responsible in the use of pesticides that harm the environment.
Conclusions based on an experiment are most likely to be accepted when?
they are consistent with experimental data and observation
How do plants help humans and animals?
you can help plants by not plucking them,you can help plants by watering them.you can help animals by feeding them,sheltering them, if they are lost giving them to the police.etc!!!!!!!!!!!
After you reach a conclusion about an experiment you may find you need to experiment more?
Yes, that is possible.
It's to be expected.
When a balloon appears yellow under a white light what colour will it be under a green light?
It will be green
What are real life applications of encoder and decoder?
Decoding is necessary in applications such as data multiplexing, 7 segment display and memory address decoding.
What word in science to mean something that does dissolve?
The word "soluble" (in science) refers to something that can dissolve in something else, like salt in water.
The word "insoluble" refers to something that does not dissolve in something else, like oil in water.
Generally, the boiling point of a liquid increases if the intermolecular force, i.e. pressure, increases.
What does biblical application in a science fair project mean?
It means that you have to find a scripture in the Bible and apply that to your project. You can go onto biblegateway.com and type in keywords. For example, if you were doing a project about static electricity, you could type in the would spark.
