Mathematics (US) - 0444 CIE

Apply Concepts Of Density Based On Area And Volume

Gbogbo ọrọ náà

Density measures how much mass is packed into a given space or area. It links mass, volume (or area) and a single rate, so that knowing any two lets you find the third. It is the bridge between geometry and the physical weight of an object.

In this lesson you will apply the concept of density, based on area and volume, in modeling situations, using the relationship between mass, density and the space an object occupies.

Ebumnobi

  1. Apply concepts of density based on area and volume in modeling situations.

Nkuzi Olu

Gee ntị na nkuzi a na ngwa

Maapụ uche

E seela isiokwu a ka ị hụ otu echiche si ejikọta.

Mepee maapụ uche na ngwa

Kaadị ncheta

Omume ncheta ngwa ngwa n'ihe a na-anwale n'isiokwu a.

Mee omume kaadị ndị a na ngwa

Akwụkwọ Ọmụmụ

Density explains why a small lump of lead outweighs a large block of foam, and it is the everyday link between an object's size and its mass, used in science, shipping and design.

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Nnyocha Ọmụmụ

Ekele diri gi maka imecha ihe karịrị na Apply Concepts Of Density Based On Area And Volume. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

  1. Density is defined as: A. mass x volume B. mass divided by volume C. volume divided by mass D. mass + volume Answer: B
  2. A block of volume 20 cm cubed and density 8 g/cm cubed has mass: A. 28 g B. 2.5 g C. 160 g D. 12 g Answer: C
  3. An object of mass 300 g and volume 60 cm cubed has density: A. 5 g/cm cubed B. 0.2 g/cm cubed C. 360 g/cm cubed D. 240 g/cm cubed Answer: A
  4. A sheet of area density 3 kg/m squared and area 4 m squared has mass: A. 7 kg B. 12 kg C. 1.33 kg D. 0.75 kg Answer: B
  5. To find mass from density and volume you: A. divide them B. multiply them C. add them D. subtract them Answer: B

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