Pregunta 1
Pregunta
Lesson 1 – Properties of Matter
Pro[blank_start]perty[blank_end] –observable characteristics in an object
Ge[blank_start]neral[blank_end] properties – observed in all kinds of matter
Spe[blank_start]cial[blank_end] properties – only in certain group
*General Properties:
1. M[blank_start]ass[blank_end] – amount of matter an object has
2. W[blank_start]eight[blank_end] – gravitational pull on mater
3. V[blank_start]olume[blank_end] – space occupied by matter
• We[blank_start]igh[blank_end]ing s[blank_start]cale[blank_end] – use to measure weight or mass
• R[blank_start]ule[blank_end]r – use to measure volume of objects with regular shape
• B[blank_start]eake[blank_end]r – use to measure the volume of liquids and irregular shaped solids
• Dis[blank_start]place[blank_end]ment method – measure volume of objects with irregular shape.
• Den[blank_start]sity[blank_end] – the mass per unit volume of a material
• Con[blank_start]ductor[blank_end]s – materials that allows the flow of heat or electricity
• Non[blank_start]conductor[blank_end]s – cannot withstand heat or electricity
• Buo[blank_start]yan[blank_end]cy – upward force exerted by fluid, opposing the weight of an immersed object
Respuesta
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perty
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neral
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cial
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ass
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eight
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olume
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igh
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cale
-
ule
-
eake
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place
-
sity
-
ductor
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conductor
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yan
Pregunta 2
Pregunta
*Special Properties of Solids
1. H[blank_start]ard[blank_end]ness -
2. Sm[blank_start]ooth[blank_end]ness – determined by sense of touch
3. Bri[blank_start]ttle[blank_end]ness – ability to break easily
4. Buo[blank_start]yan[blank_end]cy – ability to resist sinking
5. Con[blank_start]ducti[blank_end]bility – ability to allow the flow of heat or electricity
6. Mag[blank_start]net[blank_end]ism – attraction to magnets
7. Elas[blank_start]tici[blank_end]ty – can stretch and return to original shape
8. Ma[blank_start]lleabi[blank_end]lity – ability to be pounded into thin sheets
9. Po[blank_start]rosi[blank_end]ty – ability to absorb and hold liquids
Respuesta
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ooth
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ard
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ttle
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yan
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ducti
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net
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tici
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lleabi
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rosi
Pregunta 3
Pregunta
Special Properties of Liquids
1. Fl[blank_start]uid[blank_end]ity – ability to flow
2. Vis[blank_start]cosi[blank_end]ty – quality of being thick and thin, or sticky
*Special Properties of Gas
1. Di[blank_start]ffusi[blank_end]bility – ability to spread out or expands
2. Com[blank_start]pressi[blank_end]bility – ability to be squeezed in a container.
Pregunta 4
Pregunta
Lesson 2 – Product Labels and Proper Waste Disposal
Product Labels:
1. Nut[blank_start]ritio[blank_end]nal F[blank_start]ac[blank_end]ts – amount of each nutrient
2. Ac[blank_start]tiv[blank_end]e Ing[blank_start]redi[blank_end]ent – substance that brings the desired effect of product
3. Ex[blank_start]pira[blank_end]tion D[blank_start]at[blank_end]e – until when the product is safe
4. Di[blank_start]rect[blank_end]ions – procedure in using the product
5. U[blank_start]se[blank_end]s – what the product is for
6. W[blank_start]arn[blank_end]ings – cautions regarding possible harm
7. In[blank_start]activ[blank_end]e ing[blank_start]redi[blank_end]ents
8. Pro[blank_start]duc[blank_end]t des[blank_start]crip[blank_end]tion
Respuesta
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ritio
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ac
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tiv
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redi
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pira
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at
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rect
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se
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arn
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activ
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redi
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duc
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crip
Pregunta 5
Pregunta
Lesson 2 *5 R’s in Waste Management
1. Re[blank_start]duc[blank_end]e – use less
2. Re[blank_start]us[blank_end]e – donate old things, or keep for younger siblings
3. Re[blank_start]cycl[blank_end]e – process used or waste materials into a new product
4. Res[blank_start]pec[blank_end]t – follow local ordinance on how to dispose trash properly
5. Res[blank_start]ponsibil[blank_end]ity – practice waste management
Pregunta 6
Pregunta
Lesson 2 – Product Labels and Proper Waste Disposal
• Pe[blank_start]rish[blank_end]able – materials that spoil easily (meat, fish, fruits, veges)
• Fla[blank_start]mma[blank_end]ble – materials that can burn easily
• Cor[blank_start]ros[blank_end]ive sub[blank_start]stan[blank_end]ce – destroys and damages other substance
• W[blank_start]ast[blank_end]e Ma[blank_start]nage[blank_end]ment – collecting, transporting, disposing, and managing of waste materials
• Rec[blank_start]yclab[blank_end]le wa[blank_start]st[blank_end]e – waste that can potentially recycled
• Seg[blank_start]regat[blank_end]ion – process of separating waste materials into biodegradable and nonbiodegradable
• Bio[blank_start]degrad[blank_end]able m[blank_start]ater[blank_end]ials – waste that can decay (kitchen and food waste)
• N[blank_start]onbio[blank_end]degradable mate[blank_start]rial[blank_end]s - permanent garbage, do not decay or decompose (plastics, tin cans)
Respuesta
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rish
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mma
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ros
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stan
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ast
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nage
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yclab
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st
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regat
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degrad
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onbio
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ater
-
rial
Pregunta 7
Pregunta
Lesson 3 - Changes in Matter
TERMS:
• Ph[blank_start]ysic[blank_end]al Cha[blank_start]ng[blank_end]e -change in size, shape, state of matter – change in physical appearance
• Che[blank_start]mic[blank_end]al C[blank_start]han[blank_end]ge – brings about a new material with different properties
• A[blank_start]sh[blank_end] – produced after a material is burned
PHYSICAL CHANGES:
1. M[blank_start]elt[blank_end]ing - solid to liquid
2. F[blank_start]reez[blank_end]ing - liquid to solid
3. Ev[blank_start]aporat[blank_end]ion - liquid to gas – water vapor
4. Co[blank_start]ndens[blank_end]ation - gas to liquid – clouds formation
5. Su[blank_start]blim[blank_end]ation - solid to gas – dry ice, moothballs
6. De[blank_start]posi[blank_end]tion - from gas to solid – frost, snow formation
Respuesta
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ysic
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ng
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mic
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han
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sh
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elt
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reez
-
aporat
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ndens
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blim
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posi
Pregunta 8
Pregunta
Lesson 3 - CHEMICAL CHANGES:
1. R[blank_start]ipe[blank_end]ning – chemical change that happens in fruits
2. R[blank_start]ust[blank_end]ing – chemical change that happens in iron
3. S[blank_start]poil[blank_end]ing – happens in fruits that is not consumed
4. B[blank_start]urn[blank_end]ing – turns matter into ash and carbon dioxide
5. D[blank_start]igest[blank_end]ion – absorption of food nutrients
6. Ph[blank_start]otosyn[blank_end]thesis – plants making food
Evidence of CHEMICAL CHANGE
1. Release of li[blank_start]gh[blank_end]t and he[blank_start]at[blank_end] – burning
2. Fiz[blank_start]zi[blank_end]ng or g[blank_start]a[blank_end]s formation – antacid, airborne tablet
3. Co[blank_start]lo[blank_end]r Change - Fruit ripening, iron rusting, hair dying
4. Ta[blank_start]st[blank_end]e, od[blank_start]o[blank_end]r and sm[blank_start]e[blank_end]ll change - fruit ripening and decaying/spoiling –
Respuesta
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ipe
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ust
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poil
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urn
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igest
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otosyn
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gh
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at
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zi
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a
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lo
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st
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o
-
e
Pregunta 9
Pregunta
Lesson 4 - Useful and Harmful Effects of Change
Useful or Beneficial Effects:
1. Cl[blank_start]oud[blank_end]s - collected water vapor in the air that transformed to liquid form because of temperature change
2. R[blank_start]ai[blank_end]n - nature’s way of watering plants
3. Pho[blank_start]tosynthe[blank_end]sis - food making process in plants
4. Food D[blank_start]igest[blank_end]ion - breakdown of food to different nutrients needed by the body
Pregunta 10
Pregunta
Lesson 4 - Harmful Effects
1. Fl[blank_start]oo[blank_end]d - caused by Too much rain
2. A[blank_start]ci[blank_end]d R[blank_start]a[blank_end]in - rain reacting with chemicals from smoke belching cars and factories -> harmful to living and [blank_start]non[blank_end]-living things
3. Po[blank_start]llut[blank_end]ion - result of addition of harmful materials to the environment -> can cause different diseases
4. Gl[blank_start]oba[blank_end]l W[blank_start]arm[blank_end]ing - increase in the temp[blank_start]era[blank_end]ture of Earth, caused by increase in green[blank_start]hou[blank_end]se gases like carbon monoxide and carbon dioxide
5. F[blank_start]oo[blank_end]d Po[blank_start]ison[blank_end]ing - caused by eating spoiled or contaminated food
B[blank_start]urn[blank_end]ing (garbage, fuels in cars and factories) - produced Car[blank_start]bo[blank_end]n Di[blank_start]ox[blank_end]ide -> can lead to Gl[blank_start]ob[blank_end]al W[blank_start]arm[blank_end]ing when continuously increases
Respuesta
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oo
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ci
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a
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non
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llut
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oba
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arm
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era
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hou
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oo
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ison
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urn
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bo
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ox
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ob
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arm