Science Experiments

I have no exact answer, but, i believe if you watch it every 10 years you would tell.

some examples of a screw include:

a jar lid

a light bulb

a bottle cap

a clamp

a wrench

spinning stools

key rings

and spiral staircases

There are many sources out there for getting science fair project ideas. The best source is Science Buddies at www.sciencebuddies.org.

A conclusion is what the experimenter observes from the experiment andwhether your hypothesis was proven correct or not.
While the theory is the facts that is known about the experiment

specific features on buildings.

Do you have a question

Circulating water in a standing water ecosystem can affect the ecosystem. This is because it can change the PH of the water killing the existing organisms.

The question appears to have some confusion. The groups within a populations are not always fixed. A population may be divided in different groups in several alternate ways. It is for the researcher to decide if there is a need to identify these groups separately, and if so, what criteria is to be used for grouping.

However, assuming that there is a need to divide the population in groups, it should be done in such a way that the variation within the group is minimized while that between the group may be high. The question assumes the reverse regarding variation within and between the group.

Having clarified this issue, I will get down to answering the question of appropriate method of sampling for different groups within a population. There are two basic method of sampling - random and systematic. What method is appropriate in a given situation is not really dependent on the nature of groups within a population. Only requirement is that the method should be common for all the groups within the population.

Another aspect of sample selection whether the total sample is to be drawn from the complete population without differentiating between group, or to draw sample from each group separately. The First method is appropriate when differences between the groups is not high, or when it is not necessary to analyse data group wise.

It is best to draw sample form each group separately when, it is important to to do detailed analysis of each group separately, or when there is high variation between groups. When this is the selected method, then the additional question of sample size for each group need to be answered. There are three possible methods for this. First alternative is to take equal number of samples from each group. This method is appropriate when the size of each group is large and variation within groups is comparable, and sample size is decided based on desired level of accuracy and confidence.

Second method is to decide sample size separately for each group based on variation within each group - higher the variation, larger the group. This method is appropriate when the variation within groups differ from group to group. Third method is to have have sample size proportional to the group size. This method is appropriate when size of each group is not very large and variations within groups is not is comparable for different groups.

the purpose of doing an experiment is to discover new things

it depends on what type you get

but i would say angel soft

An experiment tests a hypothesis; an investigation mainly collects data.

The color grey. =3 I did the same project.

you put fins on the rockets

Boil the water so that the salt can recrystallize thus separating the salt from water (evaporation).

makikita lamang sa puso mo ang sagot:)

jersel_29

depends on what you are doing but i would say at least 3 to weed out any inconsistencies

An investigatory project is the type of project that tries to find answers for questions using scientific methods. Investigatory projects are problem-solving projects.

hello my name is my

someone entrusted to hold the stakes for two or more persons betting against one another; must deliver the stakes to the winner--1 is a kind of neutral

Science projects

Inference

They are experimental data.

a conclution for a science fair project means, if ur hypothesis was right for example: the topic "Rubbery Egg" the conclution was that the egg becomes rubbary wen it is put in vinegar.

Depending on what the project is about.

Here are a few:

Got Lemons?

Lemmons For Batteries?

The Electric Lemmon!

Lemmon Aid?

In an experiment, light can be a controlled variable if researchers carefully regulate and maintain the level of light exposure to ensure consistency. This allows them to isolate the effects of other variables being tested in the experiment.