I’ll vote if you get this right. Match the following terms to their definitions below

- A conclusion that is drawn based on the observations that have been made

A - A educated guess

B - The group in an experiment that DOES NOT receive the experimental treatment (independent variable) but otherwise it treated EXACLY the same as the experimental groups(s)

C - Measurements collected from an experiment.

(Ex. 147 cm 250 g.)

D - The factor the the experiment that is manipulated or changed by the person conducting the experiment.

E - Observations collected from an experiment that do not have a numerical value assigned to them (ex. Blue in color, rough texture)

F - The group in an experiment that is measured to determine if the independent variable had any effect.

G - The group in an experiment that receives the experimental treatment (independent variable)

H - Anything you can witness with your five senses

I - A procedure that is carried out in order to test a hypothesis

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1. Observation

2. Inference

3. Hypothesis

4. Experiment

5. Independent variable

6. Dependent variable

7. Experimental Group

8. Control Group

9. Qualitative Data (Quality)

Quantitative Data (Quality)

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(Note: can’t redo the quiz)

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph