Question

1. a measurement standard is defined as

a. a system of prefixes
b. the distance between two points
c. an exact quantity people agree to use for comparison
d. the interval between two events

1. in a graph, the variable on the horizontal axis is the

a. variable with largest range c. dependent variable
b. variable with the smallest range d. independent variable

1. the type of graph that would be used to show how some fixed quantity is broken down into parts is a

a. line graph b. circle graph c. bar graph d. table

1. in a graph showing how the temperature of a material changes over time, temperature change is the

a. dependent variable
b. independent variable c. variable with the smallest range
d. variable with the largest range

1. a unit of measurement that is obtained by combining other units is a

a. standard b. metric c. dependent d. derived

1. of the following, the only unit that cannot be used to express volume is

a. kg b. l c. cm³ d. ml
convert the following units

1. 72 m = km
2. 80 mm = m
3. 13 m = cm
4. 0.22 dm = cm
5. 6.7 g = dg
6. 100.6 hm = km
7. 14 l = ml

Explanation:

Step1: Recall measurement standard definition

A measurement standard is an exact quantity people agree to use for comparison. So for question 10, the answer is c.

Step2: Identify horizontal - axis variable

In a graph, the variable on the horizontal axis is the independent variable. So for question 11, the answer is d.

Step3: Recall graph - type for parts of a whole

A circle graph is used to show how a fixed quantity is broken down into parts. So for question 12, the answer is b.

Step4: Identify variable in temperature - time graph

In a graph showing temperature change over time, temperature change is the dependent variable. So for question 13, the answer is a.

Step5: Recall unit combination concept

A unit obtained by combining other units is a derived unit. So for question 14, the answer is d.

Step6: Recall volume units

'kg' is a unit of mass, not volume. So for question 15, the answer is a.

Step7: Convert meters to kilometers

Since 1 km = 1000 m, $72m=\frac{72}{1000}km = 0.072km$. So for question 16, the answer is 0.072.

Step8: Convert millimeters to meters

Since 1 m = 1000 mm, $80mm=\frac{80}{1000}m = 0.08m$. So for question 17, the answer is 0.08.

Step9: Convert meters to centimeters

Since 1 m = 100 cm, $13m = 13\times100cm=1300cm$. So for question 18, the answer is 1300.

Step10: Convert decimeters to centimeters

Since 1 dm = 10 cm, $0.22dm=0.22\times10cm = 2.2cm$. So for question 19, the answer is 2.2.

Step11: Convert grams to decigrams

Since 1 g = 10 dg, $6.7g=6.7\times10dg = 67dg$. So for question 20, the answer is 67.

Step12: Convert hectometers to kilometers

Since 1 km = 10 hm, $100.6hm=\frac{100.6}{10}km = 10.06km$. So for question 21, the answer is 10.06.

Step13: Convert liters to milliliters

Since 1 L = 1000 ml, $14L=14\times1000ml = 14000ml$. So for question 22, the answer is 14000.

Answer:

1. c. an exact quantity people agree to use for comparison
2. d. independent variable
3. b. circle graph
4. a. dependent variable
5. d. derived
6. a. kg
7. 0.072
8. 0.08
9. 1300
10. 2.2
11. 67
12. 10.06
13. 14000