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Science v 2nd Grating Test With Pelc No.

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BATA ELEMENTARY SCHOOL II 2 ND GRADING -SCIENCE V PELC #1.1 Perform Experiments to show that sunlight,air and water are needed for food making in plants. 1. Why is sunlight necessary in photosynthesis? a.because it provides chlorophyll to plants b.because it releases oxygen in the air c.because it provides the energy needed to split watermolecules d.because it combines hydrogen and carbon dioxide to form glucose 2. Why do stems grow upward? a.they hold the leaves toward sunli
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  BATA ELEMENTARY SCHOOL II 2 ND GRADING -SCIENCE V PELC #1.1 Perform Experiments to show that sunlight,air and water are needed for food making in plants. 1.   Why is sunlight necessary in photosynthesis? a.because it provides chlorophyll to plants b.because it releases oxygen in the air c.because it provides the energy needed to split watermolecules d.because it combines hydrogen and carbon dioxide to form glucose 2.   Why do stems grow upward? a.they hold the leaves toward sunlight b.they are hard and tough c.they do not like the soil d.they are the most important parts of the plant PELC #1.2 Explain the process of photosynthesis. 1.   Where does the process of food making in green plants mainly occur? a.in the stems b.in the roots c.in the leaves d.in the flowers 2. Which gas in the air does the plant need for food making? a.oxygen b.watervapour c.nitrogen d.carbon dioxide PELC #2.1 Classify plants into flowering plants,cone bearing plants,fern and mosses. 1.   Which of the following plants grow in moist place? a.mosses b.mushrooms c.ferns d.pinetrees 2. What do fern and mosses have in common? a.they grow from seeds b.they produce spore c.they are pollinated by insects d.they are flowering plant PELC #2.2 Classify plants according to their kinds. 1.   Which are the seed-producing plants? a.bryophytes b. spermatophytes c. pteridophytes c. thallopytes 2.   Which of the following plants are gymnosperm? a.pinetree b. orchids c. coconut d. onions   PELC #3 Identify economically important plants. 1.   The following are economically important plant except one, which is not?   a.   Apple b. tomatoe   C .cauliflower d. cabbage 2.   Why eggplants considered as economically important plants? a.   Because it can easily produce and gain money b.   Because it is very expensive c.   Because it taste good PELC # 4.1 Identify specific structures for adaptation. 1.   Why do most flowers have bright colored petals? a.to absorb more water from the air b.to discourage some animals from having them c.to attract insects to visit them d.to drive away insect in the garden 2. How do plants protect themselves from their enemies? a.they have protective structures b.they can run away from their enemies c.they can kill insect that destroy them d.they can move from place to place PELC # 4.2 Describe changes in environmental conditions that cause plant adaptation. 1.   Plants that live on land are called ___________. a.aquatic plants b. aerial plants c. terrestrial plants d. hydrophytes 2.   Which of the following plants are hydrophytes or aquatic plants? a.makahiya b. cactus c. water lily d. rose PELC # 5 Practice ways of caring for and conserving plants. 1.   The following are some ways of conserving plants. Which is not? a.Clean the area where plants grow b. Obey all government laws intended for the protection of plants c. Encourage the use of Kaingin System d. Avoid picking flowers and leaves of plants in parks or botanical gardens. 2.   Which of the following shows a good practice of conserving trees? a.uprooting young trees b. cutting trees indiscriminately c. replacing cut trees with young ones  PELC #IV.1.1 Describe what happens when solids are mixed with other solids. 1.   It contains two or more substances that put together. a.   Substance b. solution b.   mixture d. combination 2.   What do you call a process that causes the dissolved substances to separate from the water? a.sifting b.straining c.filtration d.evaporation PELC #IV.1.2 Describe what happens when liquids are mixed with other liquids? 1.   A material which can be dissolved in another liquid is said to be  ________. a.soluble b.solute c.solvent d.solution 2.   Jane used water then oil to erase the pentel writing on the wall. But she could not erase them. She use acetone, and the pentel writing were easily removed. What does this show? a. Acetone can dissolve all substance. b. Pentel writing are hard to erase. c. Some substance dissolve in liquid but not in another. PELC #IV.1.3 Describe what happens when liquids are mixed with solids. 1.   A mixture of two or more substances of materials where the molecules of one substance spread out evenly between the molecules of the other substance is said to be ____________. a.solvent b. mixture c. solution d. solute 2.   Salt,seed,sugar,rice were placed in water. You observe that only salt and sugar dissolved. What does this show? a.Some solid materials do not dissolve in water b. All solid materials do not dissolve in water c. All solid materials dissolve in water PELC IV.2.2 Describe the effect of temperature on materials that mixed. 1.   Water dissolves some solids faster when _____________. a.heated b. cooled c. changed to gas 2.   Powdered milk dissolves in water faster when ________. a.the water is heated b. the water is cooled c. sugar is added  PELC # IV.3 Describe how certain mixtures can be separated thorough: (picking,sieving,decanting,filtering,evaporation) 1.   Separating pebbles from the sand using a wire screen is said to be  ______________. a.winnowing b. sieving c. straining d. sifting 2.   Separating the chaff from the rice grains by wind is said to be  __________. a.winnowing b. sieving c. straining d. sifting SUBMITTED BY: MS. Y-ANNE UY CASTILLON
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