1) What is the insect doing to the flower? a) dispersing the flower b) germinating the flower c) making seeds for the flower d) pollinating the flower e) walking a dog f) cleaning a house 2) She puts the cooking pot over a flame and heats the water for 25 minutes. What happens to the water when it's boiling? a) the heat energy does nothing. b) the heat energy is transferred to pot. c) the heat energy is transferred to the molecules of water, which begin to move more quickly. d) the heat warms the house e) the heat helps the plants grow f) the heat dries the water 3) Explain why boiling water is a reversible change. a) Boiing of water creates gas. b) Boiling of water forms steam which can be further condensed to form water again c) Boiling of water forms ice. d) Boiling water makes fire e) Boiling water brings peace. f) Boiling water causes rain. 4) Explain why cooking a potato is an irreversible change. a) cooked potato can be turned back into raw potato b) cooked potato cannot be turned back to raw potato c) cooked potato is a reversible change 5) What is the name of the Earth's path around the Sun? a) eclipse b) ellipse c) ecliptic d) universe e) stars f) saturn 6) How many days does it take the Earth to go around the Sun once? a) 356 days b) 635 days c) 365 days d) 444 days e) 600 days f) 111 days 7) The Earth is also moving on it's own axis. What word describes this movement of the Earth? a) Earth's rotation b) Mercury's rotation c) Mar's rotation d) Moon's rotation e) Neptune's planet f) Saturn's ring 8) Which material conduct electricity? a) copper b) glass c) fish 9) Which material conduct electricity? a) paper b) plastic c) sand d) wood 10) Air is a ______ at room temperature. a) gas b) liquid c) solid d) pig e) fish f) dog 11) Gasoline is a liquid at room temperature. a) False b) True c) Maybe 12) Iron is a _______ at room temperature. a) solid b) liquid c) gas d) soda 13) Plastic is a _________ at room temperature. a) gas b) liquid c) solid d) fish 14) Rubber is a _________ at room temperature. a) liquid b) gas c) solid d) flower 15) When you you blow harder between the sticks, the sound is a a) high-pitched sounds b) medium-pitched sounds c) low-pitched sounds d) stomach e) evaporates 16) What change is made to the sound when the sticks are shorter? a) The pitch gets higher b) The pitch does not change c) The pitch gets lower d) kidneys 17) What is A? a) brain b) intestines c) liver d) stomach e) kidneys f) evaporates 18) What is B? a) brain b) heart c) lungs d) kidneys e) stomach f) evaporates 19) What is D? a) brain b) liver c) lungs d) heart e) stomach f) evaporates 20) What is F? a) brain b) lungs c) intestines d) stomach e) kidneys 21) Why does the body need oxygen to stay alive? a) Oxygen creates plastic. b) Oxygen helps organisms grow, reproduce, and turn food into energy. c) Oxygen creates bugs. d) Oxygen gives our cells the ability to break down food in order to get the energy we need to survive. e) evaporates 22) What type of force is the forcemeter measuring? a) friction b) push c) twist d) upthrust 23) Why does the boiling water become brown? a) I don't know b) By heating water you are changing the solubility of the solutes in it, hence precipitates are being formed. These precipitates have various colors. c) leaf d) stem e) liver f) evaporates 24) Why does sieving work? a) I don't know b) Not sure. c) separating particles of different sizes d) proton e) intestines 25) Suggest one other way to separate the brown solution from the tea leaves? a) oxygen b) Filtration c) neutron d) brain e) kidneys f) atom 26) Describe the difference between plants in the light, and plants in the dark? a) The tray of plants in the dark are falling. b) The tray of plants in the light are falling c) The tray of plants in the light are standing. d) The tray of plants in the dark are standing. e) evaporates 27) Why does Rajiv put more than one plant in each tray? a) Rajiv likes plants b) Seeds do not have 100% germination rates, so not every seed planted will sprout. Overseeding holes, cells, or pots will help ensure that the number of plants you desire will grow (or more!). c) Rajiv is hungry. d) fish e) dog f) parrot 28) Why do plants need light? a) Yes b) All plants require light for photosynthesis, the process within a plant that converts light, oxygen and water into carbohydrates (energy). c) Because the plants are hungry d) intestines e) kidney f) ape 29) Sand does not make a solution when mixed with water because it is  a) condenses b) evaporates c) dissolves d) insoluble e) solute f) solvent 30) When all water_________ from the salt solution a white solid is left behind. a) solute b) insoluble c) dissolves d) evaporates e) condenses f) solvent 31) Salt is the ________ in the solution. a) solute b) evaporates c) solvent d) dissolves e) condenses f) insoluble 32) Water is the ________ in this process. a) solvent b) solute c) insoluble d) condenses e) dissolves f) evaporates 33) Salt _______ in water makes a solution. a) dissolves b) soluble c) solvent d) condenses e) evaporates f) solute 34) Which solid did not dissolve in water? a) Solid A b) Solid B c) Solid C d) Solid D e) Solid E f) Solid F 35) Which solids make the water warmer? a) Solid A b) Solid B c) Solid C d) Solid D e) Solid E f) Solid F 36) To finish the separation Chen gets salt from the salt solution. Choose a method he uses to obtain the salt. a) evaporation b) filtration c) magnetic attraction d) sieving e) dissolve 37) Which material conduct electricity? a) apple b) plastic c) iron d) pear e) orange f) pen

Science Checkpoints - 5th grade

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