Week 1 Quiz

docx

School

University of New England *

*We aren’t endorsed by this school

Course

1010

Subject

Biology

Date

Feb 20, 2024

Type

docx

Pages

Uploaded by MegaMusicHornet34

~ A 3 P x Untit la Resu X UNE- X | & Gettit x | = Physi X | — Physi X [~] UNEC x | (@ v220 X | B ceme x | & Prior & :e.une.edu/d2l/le/cor\lenl/57379/vse\chn\enl/1017208/V\ew ) 0:29:23 rem: 1 Quiz | = Question 1 (1 point) v Saved 2 3 Ay = bl o Which is true of significant figures? J 5 6 O a) When adding or subtracting measured values, the final answer can contain vilv more decimal places than the least precise value BRI} 9 ’ i [ C b) When multiplying or dividing measured values, the final answer can contain E more decimal places than the least precise value gk 12 N v . v . {B 5 — O ©) Significant figures do not matter when multiplying or dividing measured 14|15 values iV — L | \®) d) When multiplying or dividing measured values, final answer cannot contain aformation more significant figures than the least precise value Question 2 (1 point) v Saved Which of the following are fundamental S| units? (v) meter (v) kilogram j

lx Bl Resu x | @ UNE- x | & Getti x | = Physi X | = Phys x | [~] UNE tspace.une.edu/d2|/le/content/57379/viewContent/1017208/View x | £3 untit 1 a | 5 + | milli- ek 1 Quiz 1 Which of the following are fundamental S units? 2 3 “ il (v) meter > (v) kilogram 5 \ i () Ampere i () Joule lv||v Question 3 (1 point) ' Saved ] | :1 15 Rank the S| prefixes from smallest to largest: ; | kilo- Wla4]]1s ‘S;_J 154184 P ] giga- L : ( 71 micro- : Information S5 | | I — ‘4 + | centi- - = | 1 + | tera- nano- D 0:29:17 ren

x | B Resu x UNE- X | & Gettir X | = Physi X | = Physi x | [~] UNEC x | [@ v220 x | BJ GEMs x | & Priorii x | EF Untith x | , pace.une.edu/d2|/le/content/57379/viewContent/1017208/View o k1 Quiz D 0:29:14 remaini Question 4 (1 point) v Saved 3 v Which analogy describes accuracy from the text? 6 . ) O a) GPS readings that are closely concentrated away from the center of a bull's- eye. 19 ¥ @ b) GPS readings that are spread out, but are centered on a bull's-eye 12 v O ) GPS readings that are perfectly along a singl&ine near the bull's-eye. 15 7 8 © d) GPS readings that have high precision. nformation | Question 5 (1 point) ' Saved i Which option best describes a model? T . : . _ a) Amodelis an explanation that is supported by scientific evidence and has been verified multiple times. -/ b) Amodel is a concise, generalized explanation of a pattern in nature

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

S MyD x | B Resu x | @ UNE- x | & Gettii X | ~ Physi x | = Physi x | [<] UNEC x | G v220 x B cem: x | & prion x | EB untitlh x | brightspace.une.edu/d2l/le/content/57379/viewContent/1017208/View 28 i D 0:29:11 remai Week 1 Quiz Page 1: Question 5 (1 point) ' Saved i 2 3 Which option best describes a model? vi|lv f4 z % O a) Amodel is an explanation that is supported by scientific evidence and has | been verified multiple times 2 8 9 () b) A model is a concise, generalized explanation of a pattern in nature v 10 ([ 11| (12 O c) Amodel is a standard used for expressing and comparing measurements vilv||v & e ‘F13 14| [ 15 ‘,\‘) d) Amodel is a representation of something that is often too difficult to display vilv||lv directly | i |Quiz Information L ! | Question 6 (1 point) ' Saved | | Match the def‘initions: 1 2 quantitative measure of how ; much your measured values deviate g | conversion factor from a standard | 2 2 standard used for expressing and 6 v | precision comparing measurements

ORI B Resd x | @ WNe- x | & Gottic x | — physi x | — physi x | 5] uNeC x | E@ v220 x | B oeme x| @ Prot X & Unit )4 y u e 3 o bﬂghlspacevune.edu/d21He/coﬂlem/57379/wE\\‘Conlev\l/1017208/\/ie\v [u] Week 1 Quiz D 0:29:07 rema Page 1: Question 6 (1 point) + Saved 2.1 &) Match the definitions: v 1 @ quantitative measure of how 4 much your measured values deviate vilv||v 5 v conversion factor from a standard [ 7 2 N 2 2 standard used for expressing and 7 9 ) 3 5 < isi Ol arin; ure N { < ||| P :7 J precision comparing measurements : 3. an estimated value based on prior P10 (1112 [ uncertainty expfrience and reasoning | i . ) A ‘{ vilv||lv 4. the degree to which a measured i i s : value agrees wif \' 13111415 { 7 v J significant figures Brees with correct value for | & that measurement ( \ 3 5, aratio expressing how many of one 2 v units & Quiz Information unit are equal to another unit d 6l the degree to which repeated | 74 v | accuracy measurements agree with each & other 3 v approximation 7. ©xpress the precision of 3 measuring tool used to measure a value Question 7 (1 point) Saved

1 @ MyD x| B Resul x| @ UNE- x | & Gettir x | ~ Physi. X | = Physi x | f~] UNEC x | (@ v220 x | B GEME x | @& Prion x | (@ untitt x & brightspace.une.edu/d2|le/content/57379/viewContent/1017208 View o 3 Week 1 Quiz D 0:29:05 remain Page 1: 3 5 3 Question 7 (1 point) v Saved vilv Match the item with the appropriate order of magnitude of length 41156 B 2| u ¥ | Greatest ocean depth ; 1. 102m e || ° R e o e e |2 ¥ ] Wavelength of visible lig| o 10| (11|12 Diameter of Earth 3. 10’ m vilv||v L 4. 4 43114 || 15 Length of a football field Ho v v — 5. 106m 2 v | Grain of sand Quiz Information e Question 8 (1 p‘oin() v Saved

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

x | | & wyo x B Resu D UNE- x | & Cettit x | =~ Physi X | = Physi x | [ UNE( X 8 v220 x | B GeMs x | & Prior & brightspace.une.edu/d2|/le/content/57379/viewContent/1017208 View @i x @ + Week 1 Quiz Page 1: 1 2 3 v v 4 5 6 v 7 8 9 v v v 10 11 12 Quiz Information Question 8 (1 point) Saved If a marathon runner averages 9.50 mi/h, how many minutes does it take him or her to run a 26.22-mi marathon? i e Question 9 (1 point) ' Saved e An infant's pul;e rate is measured to be 130+5 beats/min. What is the percent uncertainty in this measurement? BBLEL L3 4 il it a1 - | Question 10 (1 point) v Saved Calculate the approximate number of atoms in a bacterium. Assume that the average mass of an atom in the bacterium is ten times thy € mass of a hydrogen atom, (Hint: The mass of a 'hydrogen atom is on the order of 10-27 kg and the mass of a bacterium is on the order of 10-15 kg.) ~ — a) 109 D'b) 1910 D 0:29:02 remaining

IR MO [ B Resul x | @ UNE: x | & et x [ — Physi x | — Physi x | ) uneC x | EF v220 x B oem x [ & prior x | (@ unti x @ C & brightspace.une.edu/d2l/le/content/57379/viewContent/1017208/View o x Week 1 Quiz D 0:28:58 remaining Page 1: Question 10 (1 point) ' Saved 1 2 3 Calculate the approximate number of atoms in a bacterium. Assume that the average vi|lv mass of an atom in the bacterium is ten times the mass of a hydrogen atom. (Hint: The mass of a hydrogen atom is on the order of 10727 kg and the mass of a 4((5]|6 B s 11| bacterium is on the order of 10 kg.) 7|l8|f¢9 : QO a) 107 v v 10 (1112 O b) 1010 vilv||lv & 13|14 | [ 15 & d) 1011 v v v i O d) 1012 | Quiz Information Question 11 (1 point) Saved Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 4.0 cm/year. What distance does it move in 1 s at this speed? What is its speed in kilometers per million years? —3) 1.3x101%m and 40 km/My

= < uNe x| @B 220 x | B ceme x | @ prion x | @ unitl x| @ ERRRRORVDREAlB Resul x| @ UNE- X |'$ Gottic x | — Physi x | — physi x e brightspace.une.edu/d2!/le/content/57379/viewContent/1017208 View a % Week 1 Quiz D 0:28:56 remaining Page 1: 022 15 1T il v Question 11 (1 point) + Saved 4 5 6 Tectonic plates are large segments of the Earth's crust that move slowly. Suppose v that one such plate has an average speed of 4.0 cm/year. What distance does it move in 1 s at this speed? What is its speed in kilometers per million years? 718 ||9 v | i O 2 1351010 m and 40 km/my [ 10(f11 || 12 i B i O'b) 1.3%1010 m and 4 ki ~ ‘» 13 (|14 || 15 ’ vlv||v | O 9 13x107mand 4 km/My Quiz Information ) d) 1.3x10% m and 40 km/My Question 12 (1 point) ' Saved What fraction of Earth's diameter is the greatest ocean depth and the greatest S | mountain height? © ) 1/10000

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

ROl B e X[ @ he: x | & Gottr x [ ~physi x |~ pysi x | [ unec x | (8 v2zo x | B oeme O T @uni x @ | ? C @ brightspace.une.edu/d2ifie/content/57379 viewContent/1017208 View o % Week 1 Quiz D 0:28:53 remaining Page 1: 1 2 9 Question 12 (1 point) ' Saved v v v What fraction of Earth's diameter is the greatest ocean depth and the greatest 4 5 6 mountain height? v © 2) 1/10000 71l8 (|9 ‘, vilv||v 7 ®) 1) 1/1000 10 (f11 || 12 v v v O 9 17100 ® 13 (14|15 %)/ O d) 1710 Quiz Information Question 13 (1 point) Saveq The speed of sound in air is measured to be 345 m/s on a certain day. What is this in | km/h? | © 2) 20.7 km/h b) 497 km/h

Phy x| @ x GEMS x | & Priort x | G@ Untit x @@V X | & Mo x| B Resu UNE & Gettir x hysi X ysi X UNE @ 22 B8 ogin x| > ¢ ? C© & brightspace.une.edu/d2/le/content/57379 viewContent/1017208/View o % k 1 Qui D 0:28:51 remaining Wee uiz Page 1: 1 2 3 Question 13 (1 point) ' Saved M| || v The speed of sound in air is measured to be 345 m/s on a certain day. What is this in 2 e km/h? © 2) 20.7 km/h 7 (8|9 | el | O b) 497 km/h 10111 | [ 12 | Z54)16d ® o) 1240 km/h | 13|14 || 15 % | vilv|lv ) d) 29800 km/h Quiz Information Question 14 (1 point) v Saved The sides of a small rectangular box are measured to be 1.80+0.01 cm, 2.05+0.02 cm, and 3.1+0.1 cm long. Calculate its volume and uncertainty in cubic centimeters. (Hint: calculate the relative uncertainties for each side of the box - see practice | problem) ) 1131 ¢m3

PERSRIROMRE B Resu x | @ UNe: x | & Gett x | — pysi x | = pwysi x | (5] unEC x | §Bv220 x | B3 oewe x| @ prot X [IEB G o we | ? C @& brightspace.une.edu/d2!/le/content/57379/viewContent/1017208 View o % 0 Week 1 Quiz D 0:28:49 remaining pase Question 14 (1 point) ' Saved - 2 < The sides of a small rectangular box are measured to be 1.80+0.01 cm, 2.05+0.02 <ol G cm, and 3.10.1 cm long. Calculate its volume and uncertainty in cubic centimeters. s [ (Hint: calculate the relative uncertainties for each side of the box - see practice i | problem) i 7l[e]9 ©2) 1121 cm? v 1011 |[12 O b) 1241 cm? v v v b 13 ([14 || 15 O 9 1142 cm? v v v 0O U d) 12:2 cm3 Quiz Information Question 15 (1 point) v Saved What is the area of a circle 3.102 ¢ only need to enter the number) m in diameter? (note: the units will be cm?, you J | 7.557

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Week 1 Quiz

Related Documents