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DIAGNOSTIC TEST – SCIENCE 5 SY 2019-2020

DIAGNOSTIC TEST IN SCIENCE V

Choose the letter of the correct answer and write it on your answer sheet.

  1. Why is water a universal solvent?
  2. It can dissolve everything

2 It can dissolve more materials than solvents.

  1. It is tasteless and colorless
  2. It is always available in big amounts.

 

  1. 1 and 2 B. 2 and 3    C. 2 and 4   D. 1 and 4

 

  1. What happens with a spoon of dried powder juice when placed in water?
  2. It will dissolve               B. It will change in color                      C. It will remain  the same                 D. no changes

 

  1. Do all solutes dissolve in all kinds of solvents the same time?
  2.    yes                                  B. no                                                      C. sometimes                                       D. never

 

4 . Which of the following dissolves most of the solutes?

  1. kerosene                          B. alcohol                                              C. vinegar                                              D. water

 

  1. We can say that a solute spreads evenly when mixed with solvents  when:
  2. it remains suspended beneath                                                    C. it settle at the bottom
  3. it forms a solution                                                                           D. it floats

 

  1. How heat transfer by convection best describe?
  2.    Heat is transferred because of difference in temperature.
  3.   Heat is transferred from molecule to molecule by contact
  4. Heat is transferred by a current of freely moving molecules
  5. Statements A and B

 

  1. Which situation shows heat transfer by convection?
  2.   A stone under the sun becomes warm.
  3.   The handle of a ladle becomes hot when placed over the fire
  4.   A fire keeps people sitting around it feel warm
  5.   A water in a pail

 

  1. Why is convection is a method of heat transfer in liquid and in gas but not in solids ?
  2.   because the molecules of liquids and gasses are closely packed
  3.   because molecules of liquid and gasses are freely moving
  4.   because liquids and gasses are not made of molecules
  5.   because the molecules floats in air

 

  1. Why did the turbine when the lighted candle is placed in the chimney below the turbine?
  2.   The heated air rise and turned the turbine
  3.   The cooled air rise and turned the turbine
  4.   The heated air blew the turbine sank and turned the turbine
  5.   The heated air sinks and rises

 

  1. In Eskimo houses made of ice blocks, warm air that comes from the bodies inside the house is trapped. The heat from these

bodies transferred to other bodies by

A . convection                     B. conduction                                       C. radiation                            D. convection and conduction

 

  1. Study the chart below then answer the question that follow

 

Date Pressure Time Temperature     Sky Wind Air
Oct. 1  2:00 p.m. 23 C cloudy East rising
Oct. 2 2:00 p.m. 24 C cloudy West rising
Oct. 3 2:00 p.m. 31 C Clear West falling
Oct. 4 2:00 p.m. 30 C clear East falling

 

  1. Which day had the lowest temperature?
  2. Oct. 1                          B. Oct. 3                                               C.  Oct. 2                              D. Oct 3

 

  1. 1 What can you say about air pressure when temperature was low?
  2. Air pressure was rising                                                                C. Air pressure was falling
  3. There were no air pressure                                                    D. Air pressure is sinking

 

  1. What happened to air pressure when the temperature gets higher?
  2. Air pressure was rising                                                          C. Air pressure was falling
  3. There were no air pressure                                                   D. Air pressure is sinking and rising

 

  1. Why was the temperature low when the sky was cloudy?
  2. Because air pressure was falling
  3. Because there was no air pressure
  4. Because clouds blocked the sun’s heat and the air pressure was rising
  5.   Because of the clouds formation

 

  1. Which day had the highest temperature?
  2. Oct. 1                            B. Oct. 3                                                C.  Oct. 2                               D. Oct 4

 

16 .How does a horse embryo  are grow?

  1. inside the mother’s body                                                               C. outside mother’s body
  2. inside the mother’s pouch                                                             D. inside an eggshell

 

  1. What kind of mammal is a horse?
  2.   marsupial                        B. placenta                                           C. monotreme                    D. egg laying

 

  1. What type of mammal is hatched from egg?
  2. placental                           B. marsupial                                         C. monotreme                      D. polytreme

 

  1. Which can affect the growth of the seed?
  2. kind of seed                                                                                    C. container seeds
  3. spacing of seeds                                                                             D. fence around the seeds

 

  1. What will happen to the following seed not exposed to enough sunlight?
  2. It will still grow                                                                                  C. It will turn yellowish
  3. It will grow bigger                                                                    D. It will become healthy

 

  1. Which does not affect the growth of the seed?
  2. air                                B. wind                                                 C. water                                D. sunlight

 

  1. Which is the breathing organ of plant in a leaf ?
  2. Stomata                             B. Lenticels                                           C. Hypocotyls                       D. Chlorophyll

 

  1. Which can affect the growth of the seed?
  2. kind of seed                                                                                    C. container seeds
  3. spacing of seeds                                                                             D. fence around the seeds

 

  1. What will happen to the following seed not exposed to enough sunlight?
  2. It will  still grow                                                                               C. It will turn yellowish
  3. It will grow bigger                                                                           D. It will become healthy

 

  1. Which does not affect the growth of the seed?
  2.   air                                    B. wind                                                  C. water                                D. sunlight

 

  1. When you add milk, sugar and coffee to a cup of hot water, which of these explain that what you formed in a mixture?
  2. A new substances is formed
  3. You can no longer taste the sugar
  4. You can still taste the  bitterness of the coffee, the sweetness  of the sugar and the creaminess of the milk.
  5. Each of the part of the mixture changed in color, amount in taste

 

  1. Which of the following has the characteristic of a mixture?
  2. ice cream  B. salt                                                    C. sugar                                                 D. rice

 

  1. Why soil is considered a mixture?
  2. It is a physical combination of sand fine particles of rocks and pebbles
  3. It is a new substance formed by sand fine particles rock and pebbles
  4. Soil composed only solid materials
  5. There is only one component of substance in soil

 

  1. Which of the following mixture can be separated by sedimentation?
  2. water and kerosene            B. water and sand                               C. water and sugar                              D. water and alcohol

 

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