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- 1. Multiple Choice
Density is defined as...Centimeters cubed per mass of substanceMass per unit volume of a substanceFlow rate of a substance - 2. Multiple ChoiceIf the mass of an object is 6kg on earth. what would the mass be on the moon?6kg0kg1kg13kg
- 3. Multiple ChoiceThe formula for density is...mass/ accelerationvolume/ massmass/ volumenone
- 4. Multiple ChoiceHow do we calculate density? (with correct units!)D = m/v (in g/mL or g/cm3)D = v/m (in g/mL or g/cm2)D=m/v (in mL/g or cm3/g)
- 5. Multiple ChoiceLooking at the image... can oak float in water?YesNo
- 6. Multiple ChoiceBuoyancy is the tendency for objects to float in a fluid. We consider buoyancy the...Un-gravity forceAnti-gravity forceGravitational pullDownwards pull on an object
- 7. Multiple ChoiceTrue or False: Volume is the amount of matter in a substance. Mass is the amount of space a substance takes up.TrueFalse
- 8. Multiple ChoiceSwim bladders and ballistic tanks in a submarine serve to control the ________________ of a fish and a submarine.Buoyant forceNeutral buoyancyAverage density
- 9. Multiple ChoiceTrue or False: Buoyancy is an upwards force measured in Newtons.TrueFalse
- 10. Multiple ChoiceArchimedes' Principle states that...The buoyant force acting on an object equals the volume of the fluid displaced by the object.The buoyant force acting on an object equals the weight (force of gravity) of the fluid displaced by the object.The buoyant force acting on an object will always be equal.
- 11. Multiple ChoiceWhich will result in positive buoyancy?When the buoyant force is greater than the force of gravityWhen the buoyant force is equal to the force of gravityWhen the buoyant force is less than the force of gravity
- 12. Multiple ChoiceHow could you make plastic sink and steel float?You can'tChange the shape and therefore surface areaRemove some mass
- 13. Multiple ChoiceWhat is buoyant force?An upward force exerted by fluids on an object.An downward force exerted by fluids on an object.
- 14. Multiple ChoiceAn empty water bottle floating on the water is an example of....positive buoyancynegative buoyoncy
- 15. Multiple ChoiceWater is the only fluid that can provide buoyancy.truefalse
- 16. Multiple ChoiceWhich of the following is a true statement?A rowboat has positive buoyancyA cork has negative buoyancyA brick has positive buoyancyA penny has neutral buoyancy
- 17. Multiple ChoiceIf two objects are made of the same substance and have the same mass, the shape of the object determines whether or not it sinks or floats in a fluid.TrueFalse
- 18. Multiple ChoiceIf this substance takes up 6ml of space, what is its mass?6 ml6 grams0 grams4 grams
- 19. Multiple ChoiceWhat is the volume of Object X?10.0 cm315.0 cm320.0 cm325.0 cm3
- 20. Multiple ChoiceAn empty beaker has a mass of 60 grams. When mercury is added to the graduated cylinder, it has a mass of 200 grams. What is the mass of the mercury?140 grams200 grams140 mL260 g
- 21. Multiple ChoiceThe density of this material is 2 g/cm3.
There are 24 cm3 Find the total mass.12 grams48 grams12 g/cm348 g/cm3 - 22. Multiple ChoiceFind the volume of this piece of brass.50 g10 cm6 cm312 cm3
- 23. Multiple ChoiceWhich box has a higher density?Box ABox Bcannot be determinedthey are the same
- 24. Multiple ChoiceWhat do we know about the density of lamp oil, rubbing alcohol, and vegetable oil?The density is greater than 1.0 g/mLThe density is less than 1.0 g/mLThe density is equal to 1.0 g/mLThe density can not be determined
- 25. Multiple ChoiceHow many millileters are in 0.04L?0.004L0.004ml40ml4L
- 26. Multiple ChoiceTrue or false... "mass" is the exact same thing as "weight"?TrueFalse
- 27. Multiple ChoiceWhat happens when you heat a gas?It gains mass.It loses mass.It increases in volume.It decreases in volume.
- 28. Multiple Choicewhich of the following statements is true?oil floats on water because oil is less dense than wateroil does not float on water because water is more densewater floats on oil because water is less dense
- 29. Multiple ChoiceHot air is less dense than cold airtruefalse
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