Science 7 Quarter 1 Mod 1Pretest

What is the correct order of steps in the scientific method?

• Ask a question, make a hypothesis, test the hypothesis, draw conclusions, and analyze results.

• Ask a question, make a hypothesis, test the hypothesis, analyze results, and draw conclusions

• Ask a question, analyze results, make a hypothesis, test the hypothesis, and draw conclusions.

• Make a hypothesis, test the hypothesis, analyze results, ask a question, and draw conclusions

Which of the following questions is best considered as scientific?

• Who invented electricity?

• How long did dinosaurs live on Earth?

• How many koalas are there in Australia?

• Does the amount of salt in water affect the temperature at which it boils?

What is the process of obtaining information using your senses?

• Inquiry

• Conclusion

• Observation

• Scientific Method

What variable can be changed or manipulated?

• Dependent variable

• Experimental variable

• Independent variable

• Uncontrolled variable

A scientist hypothesizes that the temperature at which an ostrich’s egg is incubated will determine whether the ostrich will be male or female. What is the independent variable of this experiment?

• Scientist

• Incubator

• Temperature

• gender of the ostrich

Please refer to situation in number 5, what is the dependent variable?

• Scientist

• Incubator

• Temperature

• Gender of the ostrich

What do you call an idea or explanation that you test through study and experimentation?

• Question

• Hypothesis

• Conclusion

• Observation

What do you call the things in an experiment that must be the same to make it fair?

• Controlled variables

• Dependent variables

• Independent variables

• Uncontrolled variables

A scientist is already contemplating whether the data of his experiments support his hypothesis. At this point the scientist is __________________.

• asking a question

• making observations

• drawing a conclusion

• forming a hypothesis

Which refers to scientific procedure undertaken by scientists to test a hypothesis and make a discovery or demonstrate a known fact?

• Theory

• Inference

• Conclusion

• Experiment