Measurement & Data Analysis: Unit 1

Question 1

Mass:

Answer 1

• amount of matter
• use balance
• grams(g)

Question 2

Volume:

Answer 2

• the amount of space matter occupies
• use graduated cylinder

Question 3

Temperature:

Answer 3

• the average kinetic energy of the particles in matter
• use thermometer
• Degrees celsius or Kelvin

Question 4

Length:

Answer 4

• straight line distance between two points
• use ruler
• meters(m)

Question 5

Matter:

Answer 5

anything that takes up space and has mass

Question 6

Equation for density:

Answer 6

Mass/Volume

Question 7

Equation for volume:

Answer 7

Mass/Density

Question 8

Significant Digit:

Answer 8

a measured digit

Question 9

Precision:

Answer 9

the quality of being exact and accurate

Question 10

Accuracy:

Answer 10

the quality or state of being correct or precise

Question 11

Density:

Answer 11

the relationship between the mass of the substance and how much space it takes up (volume)

Question 12

Degree Celsius:

Answer 12

• measuring temperature
• C –> F: C x (9/5) + 32

Question 13

Independent Variable:

Answer 13

a variable (often denoted by x ) whose variation does not depend on that of another

Question 14

Dependent Variable:

Answer 14

a variable (often denoted by y ) whose value depends on that of another

Question 15

Hypothesis:

Answer 15

• a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
• If…the…because statement

Question 16

X-Value Axis:

Answer 16

• time
• volume

Question 17

Y-Value Axis:

Answer 17

• distance
• speed
• mass
• temperature change

Question 18

A patient gives 5.00 deciliters of blood for testing. How many liters of blood did the patient give?

Answer 18

0.500L

Question 19

The human body has a blood capacity of about 5.5 liters. How many millimeters is that? What is the equivalent liters in 1 pint =? (1 pint = 473 mL)

Answer 19

1) 5500mL
2) 0.473L

Question 20

In PE class when you do the pacer test on average you run 15o lengths of the gym floor. That length is 20.0m. What distance in miles have you completed? (1 mile = 5280ft. & 1in = 2.54cm)

Answer 20

1.86mi

Question 21

A Tylenol tablet has 500mg of active ingredient in it. If you take 2 tablets four times on Monday, how many kg of Tylenol have you consumed?

Answer 21

0.00400kg

Question 22

Meaning of slope:

Answer 22

• density
• speed
• acceleration