exam s2

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

In which step of the scientific method do we want to use data tables and graphs

analyze data

Which of the following hypothesis is written correctly

If I freeze a tennis ball, then it will not bounce as high

All the things in an experiment that must be the same to make it fair are called

controlled variables or condtants

In science an educated guess is called a/an

hypothesis

In an experiment, the one variable that changed is called the

independent varialbe

Which of the following is not a rule when writing a hypothesis

it should restate the question

A summary of many experiments results and observations that have been proven is know as a/an

law

What skill is a scientist using when she listens to the sounds that whales make

making observations

The process of obtaining information by using the senses is called a/an

observation

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

Ask questions, make a hypothesis, analyze results, draw conclusions, communicate results.

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is

a controlled experiment

When a scientist shares here findings with other scientist she is

communicating results

The final part a summary of reasonable inferences is a/an

conclusion

In an experiment the factor that we measure is called the

dependent variable

Which question would be the best high level scientific question

does the amount of salt in water affect the temperature at which it boils

When you decide whether or not the data supports the original hypothesis you are

drawing conclusions

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is

the number of plants in the water

a well supported explanation that ties together many hypothesis and observations is a/an

theroy


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