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- 1. Multiple ChoiceTwo wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usuallly covered with plastic to keep them from starting a fire. Why does the plastic keep electricity from starting a fire?Plastic is a good insulator.Plastic can melt when heated.Plastic is softer than wire.Plastic conducts electricity.
- 2. Multiple ChoiceErosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion?Rocks are broken into smaller pieces that remain in the same location.Pressure compacts layers of sediment and turns them into rock.Pieces of rock or soil are carried from one place to another.Sediment grains fall to the bottom of a lake to form sedimentary layers.
- 3. Multiple ChoiceA student observing birds in a park records some ways that birds interact with living and nonliving parts of their environment. All the following observations are was that a bird interacts with nonliving parts of its environment except______reacting to morning sunlight by singingdrinking and taking a bath in a puddle of waterresponding to cold temperatures by fluffing its feathersfeeding insects to its chicks
- 4. Multiple ChoiceA student made a list of activities that involve energy.
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1. Sharks chasing a school of fish
2. A toaster heating bread
3. A cell phone charging
4. A tree limb falling to the ground
5. Tomato plants absorbing sunlight
6. A canoe floating down a river
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Which activities on the list are examples of the use of mechanical energy?Activities 1, 4, and 6Activities 2, 4, and 5Activities 1 and 2Activities 3, 5, and 6 - 5. Multiple ChoiceA student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?The container was empty after the mixture evaporated into the air.The paint evaporated, leaving only clear water in the container.The water evaporated, leaving only a dry blue solid in the container.The liquid paint mixture was lighter in color after some water evaporated.
- 6. Multiple ChoiceTropical climates have warm temperatures and abundant sunlight all year. What must be available for plants in these climates to make their own food throughout the year?BacteriaBirdsShadeWater
- 7. Multiple ChoiceA student puts four objects in a bucket filled with water. The objects are listed below.
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Plastic ball
Glass marble
Metal paper clip
Wood block
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Which two objects are most likely less dense than the water?Wood block and metal paper clipPlastic ball and glass marbleMetal paper clip and glass marbleWood block and plastic ball - 8. Multiple Choice
What is gravity?The force that keeps you down.The solar system.The 7th planet..A force that keeps you up. :) - 9. Multiple ChoiceWhats the 5th planet??jupitermarsearthTHE SUN?
- 10. Multiple ChoiceWhat causes it to change seasons?The tilt of the earths axis.when the sun is closer to the northern hemisphere.gravity.the orbit.
- 11. Multiple ChoiceHow many planets are there?861250000000 billion.
- 12. Multiple ChoiceWhich gets all its energy from the sun?consumerproducerdecomposerno living organism
- 13. Multiple ChoiceWater is being boiled on the stove. What is the change that is taking place?A solid is changing into a gas.A liquid is changing into a gasA solid is changing into a liquidThere is no change occuring
- 14. Multiple ChoiceWhich material is most likely to expand if exposed to freezing temperatures?ironwoodwaterplastic
- 15. Multiple ChoiceA ball was rolling fast and then slowed. Which most likelycaused the ball to slow?heatwindfrictionmomentum
- 16. Multiple ChoiceWhich statement best describes how winter weather can damage roads?Snow and ice can cause car accidents, which damage roads.Rain, ice, and snow can cause the painted lines on roads to fade.Cold temperatures can cause road materials to expand, creating potholes.Water can get into cracks in roads, then freeze and expand, making the cracks worse.
- 17. Multiple ChoiceWhich will most likely increase the speed of an object?applying a faster forceapplying a slower forceapplying a weaker forcerapplying a stronger force
- 18. Multiple ChoiceSomething that takes up space and has mass.volumemattermassdensity
- 19. Multiple ChoiceA state of matter that has a definite volume and shape.solidliquidgasmatter
- 20. Multiple ChoiceA litter of kittens have traits that are similar to both the mother cat and the father cat. Which best explains this situation?The kittens are provided the same kind of milk from their mother as they grow.The kittens inherit some of their traits from their mother and some from their father.The kittens are kept at the same temperatures by their mother when they are first born.The kittens are taught by their parents to have similar traits.
- 21. Multiple ChoiceThe outside layer of the earth is called ______________________.corecrustmantleouter core
- 22. Multiple ChoiceMost earthquakes happen along the _________________.coastfaultsdesertdirections
- 23. Multiple ChoiceWhat is Magma when it reaches the surface of Earth?LavaMafic MagmaFelsic MagmaNone of these
- 24. Multiple ChoiceWhat will happen when these magnets are brought close together?They will attract each other.They will repel each other.Both magnets will turn to the leftBoth magnets will turn to the right
- 25. Multiple ChoiceA deep valley with steep walls that cut into the earth caused by erosion from running water.ValleyCanyonGulfRiver
- 26. Multiple ChoiceA place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.sheltertreehabitatorganism
- 27. Multiple ChoiceGas particles are...tightly packed.loosely bonded and flowing.free to fly in all directions.so hot that the electrons are removed from the nucleus.
- 28. Multiple ChoiceTraits that are passed from parents to their offspring areAcquired traitsLearned TraitsInherited TraitsGenes
- 29. Multiple ChoiceA dog sitting on command is an example of what type of trait?acquired traitinherited trait
- 30. Multiple ChoiceWhich mixture can be separated using a coffee filter?rocks and sandsand and waterlemon juice and watersand and iron filings
- 31. Multiple ChoicePlants are known as producers because they produce their own food. How do producers receive the energy for this process?By consuming soil nutrientsBy absorbing sunlightBy releasing waterBy producing oxygen
- 32. Multiple ChoiceWhich of the following shows conservation of natural resources?Throw litter on the side of a highwayWrite on both sides of notebook paperLeave the water running while brushing teeth.Leave the lights on when exiting a room.
- 33. Multiple ChoiceStudents are combining dried beans and rice. What would be the most efficient way to separate the ingredients?EvaporationCoffee FiltersTweezersMicroscope
- 34. Multiple ChoiceA teacher wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are the protective gloves necessary?The metal pan creates thermal energyThe metal pan insulates thermal energyThe metal pan conducts thermal energyThe metal pan reduces thermal energy
- 35. Multiple ChoiceWhich liquid is the most dense?oilwatersyrupplastic bottle
- 36. Multiple ChoiceWhat do magnets stick to?copperwoodironplastic
- 37. Multiple ChoiceWhich form of matter has a fixed shape and volume?GasSolidLiquidPlasma
- 38. Multiple ChoiceAn independent variable is something that-Changes in the experiment not on its ownYou change on purpose in the experimentdoesn't changedoesn't exist
- 39. Multiple ChoiceWhich form of matter lacks a fixed shape but has a definite volume?GasSolidLiquidPlasma
- 40. Multiple ChoiceSound is a form ofEnergyWaveMatterVibration
- 41. Multiple ChoiceSound waves are ______ wavesCompressionBeachLightEnergy
- 42. Multiple ChoiceWhich form of matter lacks a fixed shape and volume?GasSolidLiquidPlasma
- 43. Multiple ChoiceSound Waves cause molecules to _______VibrateMoveDanceFreeze
- 44. Multiple ChoiceWhich of the following is a chemical change-cutting a paperdissolving salt in waterrusting of a pennycracking an egg
- 45. Multiple ChoiceIs baking a cake a physical or chemical change?physicalchemicalbothneither
- 46. Multiple ChoiceAn object lets light completely through. This is _____.OpaqueTransparentTranslucentClear
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