Grade 8 Science Winter Break Packet STUDENT 2015-2016, Science

Assignment Help:
Eight students conducted a controlled experiment to demonstrate how walking and running
affected their heart rates. Use the data below to answer the following questions.
Effects of Activity on Heart Rate (in beats per minute)
Student Heart Rate
(at rest)
Heart Rate
(walking)
Heart Rate
(running)
1 70 90 115
2 72 80 100
3 80 100 120
4 65 75 95
5 88 112 125
6 74 83 104
7 75 88 109
8 77 95 130
8. The students came to the conclusion that heart rates rise by 10 to 20 beats per minute after
walking and 20 to 40 beats per minute after running. First, identify the independent (manipulating)
and dependent (responding) variables. Then, explain whether or not the data table supports this
conclusion.

Related Discussions:- Grade 8 Science Winter Break Packet STUDENT 2015-2016

Explain bile pigments - constituents of bile, Explain Bile pigments - Const...

Explain Bile pigments - Constituents of Bile The red blood cells are broken down when they are old (life span of red blood cell is 120 days). They are taken up by the reticuloe

CNIDARIANS OBELIA, OBELIA IS CONSIDERED TO BE OF SPECIAL INTEREST IN ZOOLO...

OBELIA IS CONSIDERED TO BE OF SPECIAL INTEREST IN ZOOLOGY AND AS AN ANIMAL SHOWING AN INTERMEDIATE GRADE OF ORGANISATION

Role of bile in digestion, Role of Bile in Digestion Bile is produced b...

Role of Bile in Digestion Bile is produced by  liver and stored in gall bladder. During digestion,  the gall bladder contracts  and supplies bile, rapidly to the duodenum throu

Another aneroid barometer, Another aneroid barometer Stretch a piece o...

Another aneroid barometer Stretch a piece of thin rubber in excess of the mouth of a small glass jar. Wind thread or string over the rubber to secure it and then put a ring of

Explain ester formation, Explain Ester  formation Ester  formation : ...

Explain Ester  formation Ester  formation : In presence of dry HCl, amino acids react with alcohol to form esters.  This  is  one of  the  ways of blocking XOOH group  in  the

Explanation of preparation of patient for use of enema, Question 1. Des...

Question 1. Describe the factors influencing the development of nosocomial infections 2. Explain briefly the standard precautions taken for infection control 3. Explain h

AVES, classes of aves

classes of aves

Scientific Method, Are these people a worker in a farm? Which is the Indepe...

Are these people a worker in a farm? Which is the Independent and Dependent variable and Control group.

Explain hypersecretion of adrenocortical hormones in adult, Explain the Hyp...

Explain the Hypersecretion of adrenocortical hormones in adult  This condition is known as Cushing's syndrome. It is characterized by virilism (hair growth above lips) in the f

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd