Scientific Investigation

Question 1

To determine what problem you want to address you must do these things

Answer 1

Make Observations and Do Research

Question 2

An Educated guess based on research and observations. Usually written in the “If” Then” format

Answer 2

Hypothesis

Question 3

When you test the hypothesis, change only one variable, collect data and make observations what are you doing?

Answer 3

Conducting an experiment

Question 4

We use data tables and graphs to do what?

Answer 4

Interpret and Analyze data

Question 5

When we review our data and think about the next version of our experiment, what are we doing?

Answer 5

Drawing a conclusion

Question 6

When we have completed our experiment and analysis what is the next critical step in the scientific method?

Answer 6

Communicating our findings and thoughts with others. Getting a peer to review your work makes the whole process better.

Question 7

These are the “factors” we can change in an experiment

Answer 7

Variables

Question 8

What is the name of the variable that the scientist “I” change to see what will happen ?

Answer 8

Independent variable

Question 9

What is the name of the variable that changes as a result of changing the independent variable

Answer 9

Dependent variable (It depends on the independent variable)

Question 10

What is the term for the baseline measurement that you compare your data to?

Answer 10

The control

Question 11

Variable that are purposely kept the same in an experiment are?

Answer 11

Constants

Question 12

A structured way to test a hypothesis

Answer 12

Experiment

Question 13

Is it true that the more repeated trials you conduct the better the experimental results?

Answer 13

Yes - Repeated Trials are great!!

Question 14

What is the most important “instrument” in the history of Life Science?

Answer 14

The microscope

Question 15

How do you determine the magnification power of a compound microscope?

Answer 15

Multiply the eyepiece power by the objective lens power. (Ex: 10 x 40 = 400)

Question 16

What is the proper way to move a microscope?

Answer 16

Hold the “arm” with one hand and place the palm of the other hand under the base.

Question 17

What is the proper way to store a microscope?

Answer 17

Return the stage to the lowest level, return the objective lens to the least powerful (shortest) lens, turn off the light, carefully unplug and wrap the cord and finally put the plastic dust cover back on.

Question 18

What adjustment know do you use first to focus the specimen?

Answer 18

Coarse Adjustment knob

Question 19

Who were 2 of the first microscope inventors?

Answer 19

Robert Hooke and Anton von Leeuwenhoek