They will be modified or replaced as new ones are developed.
In science, a model is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly. Models are central to what scientists do, both in their research as well as when communicating their explanations.1
Scientific ideas can be changed over time by humans discovering new technologies to help research ideas and then change them depending on new information we found.
-- To put this answer simply... Yes scientific ideas can be change through trial and error...
The way scientific ideas change are by doing different observations each time and maybe even finding new thing that form in it for example DNA
Cheese Doodles
You can find science ideas at :=
There are many sources out there for getting science fair project ideas. The best source is Science Buddies at www.sciencebuddies.org.
There are many science ideas to be found online. Sites such as Science Buddies, Kidz World, Cool Science Projects, and even Brown University feature dozens of science fair ideas for multiple abilities and grade levels.
Science projects
on the internet
You can find science ideas at :=
Ideas on the Nature of Science was created in 2009.
The ISBN of Ideas on the Nature of Science is 9780864925442.
Ideas on the Nature of Science has 308 pages.
For science fair ideas, visit www.sciencebuddies.org. There are ideas for students in grades K through 12.
There are many sources out there for getting science fair project ideas. The best source is Science Buddies at www.sciencebuddies.org.
Bea Saptang , from the Philippines won first place for best science fair ideas
There are many science ideas to be found online. Sites such as Science Buddies, Kidz World, Cool Science Projects, and even Brown University feature dozens of science fair ideas for multiple abilities and grade levels.
Popular Science for Kids is a great place to get ideas for a science experiment. The have a huge selection of information on their website and their magazines can be found in your local library.
Science projects
pseudoscience
Justify means to give the reasons why you think a certain thing. In this case your conclusions concerning science ideas.