Scientific Method

________________ research is usually based on numerical measurements.

• descripitve
• quantitative
• ethical
• scientific

The part of an experiment in which all conditions are kept the same is the ______________.

• conclusion
• hypothesis
• independent variable
• control

Which process will most likely lead to the scientific acceptance of a hypothesis?

• developing a theory based on data
• changing the experimental procedures
• revising the original hypothesis
• duplicating the results of an experiment

Which of the following is the dependent variable form the question: Will students test scores increase if teachers give more homework?

• test scores
• giving homework

Alice wrote down 4 ideas about earthworm behavior that she wanted to test. Which idea can be tested experimentally?

• worms like the taste of dirt better that sand
• worms are happier in black dirt than red dirt
• worms will move away from direct light sources
• worms exist to decompose decaying material

Why do scientists perform multiple trails of the same experiment?

• to increase the likelihood of accurate results
• to make it less expensive
• to complete  the steps in less time
• to include additional variables in the experiment

If conducting an experiment on what makes ice melt faster, then which of these steps in the investigation will the ice be measured?

• shoe=wing some graphs
• making a conclusion
• collecting some data
• developing a hypothesis

which statement describes a positive effect of a scientific discovery?

• It causes work to be more difficult
• it makes some people upset
• it explains how things work
• it takes a long time to be useful

Which statement makes an observation about the mammoth?

• it's tusk were curved and pointed
• the mammoth was related to the elephant
• it's tusk were used for protection
• it was a slow-moving animal

The information gathered from experiments is called ______________.

• the conclusion
• the hypothesis
• the research
• the data