Science Homework Help

how does an observation about an object differ from an inference about that object.

Why is it advantageous for scientists to test only one variable at a time during an experiment 

distinguish between a variable and a control

what steps are involved in making a vaild conclusion

what equipment did redi use in his experiment why was the gauze in important

what must happen for a hypothesis to become a theory

how can a graph of data be more informative than a table of the same data