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C LASSIFIEDS Tuesday, March 21, 2017 Page 4 E ASTERN O REGON M ARKETPLACE • 1-800-962-2819 • FAX 278-2680 © 2017 by y V Vicki icki Whiting, Editor Je Jeff f f Schinkel, S Graphics V Vol. o ol. 33, No. 16 W When hen a bask basketball ketball is held abo v e the ground, g r ound o , it has a above lot of p ot en tial e energy ner gy and no potential k kinetic inetic ener gy . A ts losing energy. As s it falls falls, , it star starts its potential pot en tial ener gy and g gets kinetic k inetic energy ener gy . energy. If I f y you ou answ answered er ed “ “b” b ” y you ou are e right! ball l is ar r igh t! When W hen a bal dr opped t to o the g r ou nd , dropped ground, it c comes omes back up almost alm most to t o the point poin t it was w as dropped from, dr opped fr om, but not t quit quite. it e . W hen the ball hits the g r ound o , it has When ground, lots of k kinetic inetic ener gy . T The he e fr ic tion energy. friction against the g r ound slo w s the ball ground slows do wn, but it also slightly sligh tly heats h hea ts the down, ball his is thermal ener g . gy ball. . T This energy. T The he ball bounc es back up p but t to oa bounces lo w er height heigh t than wher t ed . lower where e it star started. T The he or ig inal potential pot en tial energy ene er gy was w as original tr ansff or o med into in t o ther mal l energy ener gy transformed thermal and d kinetic k inetic i ti energy. ener gy . And A nd d that’s t ha h t ’ s just j t the way w a y the ball bounces. bounc es . T The he energy ener gy of motion. Anything A n ything that t is mo moving energy, tha ving has k kinetic ineti ic ener gy , and the fast er it is moving, mo ving v , the faster more mor e kinetic k inetic energy. ener gy g . An A n objec object t hig high h abo above v e the g ground r ound has potential energy work pot en tial ener r gy because of the w or k t ook t to o get it ther or k it it took there e and the w work falls. . will do d when it falls T Thermal her mal energy ener gy is the name na ame for f or energy from ener gy that tha t c comes omes fr om m the t emper a tur e of an ob bjec t . temperature object. Imagine dropping a b basketball from the top of these t famous s structures. tr uctures. 80% toward If the ball bounces 80 0% of the way back up towa ard the top, how many f feet/meters eet/meters e high wou uld the ball tra a v el f for or o each? (Multiply each str ucture’s would travel structure’s discover one height b by y .8 to discov v er the answers. The f first i irst on ne is done f for or o y you.) ou.) How many basketballs can you find on this page in two minutes? Now have a friend try. try . Who found more? Look through g the newspaper for final scores of basketball games. Calculate how many more points the winning team earned than the losing team. Standards Link: Research: Use the newspaper to locate information. Circle the basketba basketball all that should come next to o continue the pattern in each row. row . Standards Link: Math: Extend simple patterns. POTEN POTENTIAL NTIAL SHOULDER SHOUL LDER THERMAL THERM MAL KINETIC KINET IC BOUNC CE BOUNCE ENERG GY ENERGY GROUN ND GROUND MOTIO ON MOTION HEA A TS T S HEATS COUR RT COURT THREE E BALL DUNK WORK K To o improve T impr ove your basketball sk kills and get some gr eat skills great e exercise, exer r cise, c work on these drills w some friends or family with m members. Shoot t 10 times Sh S ti from f three th d different dif f ferent f places—first the b baseline, aseline, next from the e elbow lbow of the free-throw fr ree-throw line li ine and the fo ollowing 10 following from fr rom inside the th he lane. Repeat o on n the opposite side. Shoot two free throws while S o one ne player rebounds and the o other ther player p y sprints p around th he half court. Then the the shooter takes the rebounds, the player shooting rebounds takes the sprints and the th he sprinter shoots two free throws. th hrows hrows. One player shoots O from fr rom a three- p point oint distance and an nd his partner lets le ets the ball b bounce ounce twice and then th hen shoots from that spot. Place markers P at t different diff ferent f p points oints on the c court ourt and set a n number for how many attempts at ttempts it should take b before efore scoring from that spot. sp pot. Start from the marker and an nd continue shooting from wherever the ball lands until the shot is made. Keep track of attempts. The player p layer with the lowest score wins. w St tandards Link: Physical Education: Use a Standards va ariety of basic and advanced movement forms. variety I N O I T O M P S T S A C T H B Y O H O H U I H E G W T O D E T T R R R O E U R A C E E M O R N L E T E N E A U K T D T S E I U L N N I E T E R K G O D Y A R A T R U O C B A L L M This week’ week’s s word: FRICTION The noun friction means the action of one surface rubbing against another. another . The friction caused by sliding down the rope made Joe’s Joe’ s hands burn. Try T ry r to use the word friction in a sentence when talking with your friends and today . family today. Energy Scave Scavenger enger Hunt Look through the newspap newspaper per for five examples of ener r gy g being created or r used. Discuss energy energy whether or not the ener r gy g is kinetic, kinetic , potential or thermal. thermal . Standards Link: Physical Education Education: n: Use a variety of basic and advanced movement forms. What is your favorite sport or exercise? Write a paragraph describing it and the reasons why you like it.