Intro to Science

Question 1

What are in “good graphs”?

Answer 1

all lines drawn with rulers; appropriate title; titles on x- and y- axis; all units are identified; correct spelling; data is understood; colorful and neat; consistant intervals

Question 2

Lab Equipment (A-M {10})

Answer 2

Beaker; Flask; Graduated Cylinder; Evaporating Dish; Alcohol Burner; Electronic Scale; Funnel; Eye Dropper; Hot Plate; Metal Spatula

Question 3

Lab Equipment (P-W {11})

Answer 3

Test Tube; Test Tube Brush; Wire Stand; Ring Stand; Spring Scale; Safety Glasses; Thermometer; Rubber Stopper; Pipette; Tongs; Stirring Rod

Question 4

What number is the metric system based on?

Answer 4

10

Question 5

Metric System Prefixes

Answer 5

kilo hecto deka deci centi milli

Question 6

“milli” abbreviation & value

Answer 6

m ; .001

Question 7

“centi” abbreviation & value

Answer 7

c ; .01

Question 8

“deci” abbreviation & value

Answer 8

d ; .1

Question 9

“deka” abbreviation & value

Answer 9

D ; 10

Question 10

“hecto” abbreviaton & value

Answer 10

h ; 100

Question 11

“kilo” abbreviation & value

Answer 11

k ; 1000

Question 12

Metric Units (without prefixes)

Answer 12

Gram (g) Liter (L) Meter (m) Newton (N) Degrees Celsius (*C)

Question 13

Length

Answer 13

the distance from one point to another

Question 13

Is mass or weight constant?

Answer 13

Mass is constant. Weight can change depending on the force of gravity.

Question 14

Meniscus

Answer 14

the bottom of the curve; what you read from to determine water level

Question 15

Formula for the volume of a regular solid

Answer 15

volume = length x width x height

Question 16

Appropriate unit for the volume of a regular solid and for the volume of a liquid

Answer 16

solid = cm cubed
liquid = mL

Question 17

Formula for density

Answer 17

density = mass / volume

Question 18

Denisty of water

Answer 18

1 g/mL

Question 19

Steps of the Scientific Method

Answer 19

1. Problem 2.Research 3.Hypothesis 4.Materials 5.Procedure 6.Data
2. Conclusion 8.Analysis

Question 20

Variable

Answer 20

the factors in an experiment that can be changed to affect the outcome of the experiment

Question 21

1. Problem

Answer 21

the question your experiment will answer

Question 22

2. Research

Answer 22

information you need to help write the hypothesis

Question 23

3. Hypothesis

Answer 23

an educated guess for the answer to the problem. you must tell WHAT you think and WHY!

Question 24

4. Materials

Answer 24

things you need for the experiment

Question 25

5. Procedure

Answer 25

the numbered steps to follow when doing the experiment

Question 26

6. Data / Observations

Answer 26

the information you record while doing the experiment

Question 27

7. Conclusion

Answer 27

the results. use the RACE strategy to Restate and Answer the problem and include data to support your answer (Cite evidence)

Question 28

8. Analysis

Answer 28

use the rest of RACE to Explain what worked well, and what didn't. how might you change the experiment? why are the results important?

Question 29

5 Golden Rules of Writing a Procedure

Answer 29

1. All steps must be numbered (not bulleted) 2. The steps must be in order 3. All steps must be written as complete commands 4. No more than 2 directions per command 5. Steps must provide specific mrasurements and amounts

Question 30

RACE Strategy in Science (Conclusion)

Answer 30

Conclusion: R - Restate the problem A - Answer the problem C - Cite data to support answer

Question 31

RACE Strategy in Science (Analysis)

Answer 31

Analysis: E - Evaluate your investigation by... •explaining the strengths & weaknesses of the experiment & why they are strengths&weaknesses •explaining what you would change about the experiment & why •explaining who would care about the results & why