<< Chapter < Page Chapter >> Page >

Natuurwetenskappe

Materie, meting en reaksies

Materie en meting

Opvoeder afdeling

Memorandum

1. My metode:

Oppervlakte = l × b

= 6 cm × 10 cm

= 60 cm 2

2. A = ℓ × b

Area (oppervlakte) = lengte vermenigvuldig met breedte

Jy gebruik hierdie formule om die oppervlakte van ‘n reghoek te bepaal.

3. 25 cm 2

Leerder afdeling

Inhoud

Aktiwiteit: om oppervlakte te kan bepaal deur meting en berekening [lu 1.2]

Het jy al iemand hoor sê: "Die huis se grootte is 150 vierkante meter (150 m²)"? Is julle seker dat julle die term vierkante meter verstaan?

Kyk na die skets:

Elke blokkie stel een vierkante meter voor. 'n Vierkante meter is 'n vierkantige oppervlakte waarvan elke sy een meter lank is.

As ons dus sê die oppervlakte van fig. X is 100 m², bedoel ons dat ons een- honderd oppervlaktes van 1 m² daarin kan plaas. 'n Mens sou elke blokkie kon tel om die grootte van die oppervlakte te bepaal, maar daar is 'n korter metode.

Indien die lengte van die een sy (10 m) vermenigvuldig word met die lengte van die ander sy (10 m), word die aantal vierkante meterblokkies wat in die totale oppervlakte kan inpas (100), verkry (10 m × 10 m = 100 m²).

1m 2 1m 2 1m 2 1m 2 1m 2 1m 2 1m 2 1m 2 1m 2 1m 2
1m 2
1m 2
1m 2
1m 2
1m 2
1m 2
1m 2
1m 2
1m 2

Fig. X

1. Hoe sal jy die oppervlakte van die volgende reghoek bepaal?(Elke blokkie is 1 cm²)Die lengte van hierdie reghoek is 100 mm en die breedte is 60 mm.

My metode:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

(5)

2. Wat beteken die volgende formule: A = ℓ size 12{ times } {} b?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

3. Pas die volgende formule toe om die oppervlakte van die gegewe driehoek te bepaal:

b staan vir die lengte van die basis

h staan vir die hoogte van die loodregte lyn

  • My antwoord (geskat):______________________________________________
  • My antwoord (bereken volgens die gegewe formule)::____________________

(2)

Assessering

Leeruitkomste 1: Die leerder is in staat om met selfvertroue op weetgierigheid oor natuurlike verskynsels te reageer, en om binne die konteks van wetenskap, tegnologie en die omgewing verbande te ondersoek en probleme op te los.

Assesseringstandaard 1.2: Dit is duidelik wanneer die leerder ondersoeke uitvoer en data versamel: organiseer en gebruik apparaat/toerusting of bronne om inligting in te win en te noteer.

Questions & Answers

Discuss the differences between taste and flavor, including how other sensory inputs contribute to our  perception of flavor.
John Reply
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Ummi Reply
omeprazole
Kamara
what
Renee
what is this
Renee
is a drug
Kamara
of anti-ulcer
Kamara
Omeprazole Cimetidine / Tagament For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
Nency Reply
Not really sure
Eli
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include: 1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
what is anatomy
Oyindarmola Reply
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Oyerinde Reply
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Mohammed Reply
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
Wulku Reply
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
Ali Reply
function of digestive
Ali
the diagram of the lungs
Adaeze Reply
what is the normal body temperature
Diya Reply
37 degrees selcius
Xolo
37°c
Stephanie
please why 37 degree selcius normal temperature
Mark
36.5
Simon
37°c
Iyogho
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
37A c
Wulku
what is anaemia
Diya Reply
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
Diya Reply
how does Lysin attack pathogens
Diya
acid
Mary
I information on anatomy position and digestive system and there enzyme
Elisha Reply
anatomy of the female external genitalia
Muhammad Reply
Organ Systems Of The Human Body (Continued) Organ Systems Of The Human Body (Continued)
Theophilus Reply
what's lochia albra
Kizito
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Natuurwetenskappe graad 7. OpenStax CNX. Sep 16, 2009 Download for free at http://cnx.org/content/col11078/1.1
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Natuurwetenskappe graad 7' conversation and receive update notifications?

Ask