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- 1. Multiple Choice
If you place the North pole of a magnet next to the South pole of another magnet, they will:AttractRepelDo nothingShatter - 2. Multiple ChoiceMagnetism is generated by movingprotons.electrons.neutrons.elements.
- 3. Multiple ChoiceMagnetism is generated by movingprotons.electrons.neutrons.elements.
- 4. Multiple ChoiceWhat do the lines around this magnet represent?North PoleSouth PoleMagnetic DeclinationMagnetic Field
- 5. Multiple ChoiceIf you cut a magnet in half, what happens to the poles?One half gets the North Pole, the other half gets the South PoleBoth halves get only a North PoleBoth halves get only a South PoleBoth halves get a North pole and a South Pole
- 6. Multiple ChoiceA refrigerator magnet is an example of a:magnetic materialpermanent magnethorseshoe magnettemporary magnet
- 7. Multiple ChoiceAn electromagnet's poles may be reversed by:decreasing the voltage of the coilincreasing the number of coilschanging the direction of current flowaltering the material used to make the coils
- 8. Multiple ChoiceA device that is able to reverse the direction of current in an electromagnet causing a motor to spin the opposite way is known as:a rotora generatora magneta commutator
- 9. Multiple ChoiceWhat causes the Northern Lights?Explosions of starsStorms at the North PoleEvil SpiritsSolar Winds
- 10. Multiple ChoiceWhere is the North pole on this electromagnet?ABCD
- 11. Multiple ChoiceWhich of the following are not matter?A pencilWaterCarbon dioxideLove
- 12. Multiple ChoiceIsotopes of the same element must have different numbers ofNeutronsProtonsElectronsProtons & Electrons
- 13. Multiple ChoiceA neutral atom of Chlorine-37 has37 protons, 37 neutrons, and 37 electrons17 protons, 37 neutrons, and 17 electrons17 protons, 20 neutrons, and 37 electrons17 protons, 20 neutrons, and 17 electrons
- 14. Multiple ChoiceSalt water is an example of aHeterogeneous mixtureHomogeneous mixtureCompoundElement
- 15. Multiple ChoiceYou would like to use water displacement to determine the volume of an object. If the original volume of the water in the cylindar is 80 mL and after you drop the object in, the water rises to 100mL, what is the volume of the object?180 mL100 mL80 mL20 mL
- 16. Multiple ChoiceThe correct explanation of why ice floats is that, compared to liquid water, solid iceless denseheaviermore denselighter
- 17. Multiple ChoiceCalculate the density of a block with a volume of 100 cm3 and a mass of 2000 g..05 g/cm3200,000 g/cm320 g/cm31900 g/cm3
- 18. Multiple ChoiceRipping paper is an example of a:Physical ChangeChemical ChangeDensity Change
- 19. Multiple ChoiceBurning a candle is an example of a:Physical ChangeChemical ChangeDensity Change
- 20. Multiple ChoiceWhere on this graph is only a solid present?A to BB to CC to DD to E
- 21. Multiple ChoiceWhat is happening between D and E?The solid is meltingThe liquid is heating upThe liquid is beginning to boilThe gas is heating up
- 22. Multiple ChoiceAt what place on the graph are the molecules moving the fastest?BC to DD to EAbove E
- 23. Multiple ChoiceAt what section is heat applied to overcome the molecular forces?B to CC to DD to EB to C AND D to E
- 24. Multiple ChoiceWhen is the average kinetic energy of the molecules the greatest?In solid stateIn liquid stateIn gas stateNone of the above
- 25. Multiple ChoiceHow many neutrons does Phosphorus (P) have?151631-3
- 26. Multiple ChoiceHow many protons does Potassium (K) have?193920+1
- 27. Multiple ChoiceA neutrally charged atom of Aluminum (Al) has how many electrons?132714+3
- 28. Multiple ChoiceIsotopes of the same element must have the same number ofNeutronsProtonsElectrons
- 29. Multiple ChoiceWhich of the following atoms are isotopes of each other?A & BC and DB and CNone of these are isotopes
- 30. Multiple ChoiceWhich group has a full shell of electrons?Alkali MetalsAlkaline Earth MetalsHalogensNoble Gases
- 31. Multiple ChoiceWhich group has two valence electrons?Alkali MetalsAlkaline Earth MetalsHalogensNoble Gases
- 32. Multiple ChoiceHow many valence electrons are in an atom of Nitrogen (N)?753-3
- 33. Multiple ChoiceHow many valence electrons are in an atom of Beryllium (Be)?2495
- 34. Multiple ChoiceThe diagram that best represents the Lewis dot diagram of an Oxygen atom isABCD
- 35. Multiple ChoiceWhat type of relationship is represented by this graph?No relationshipDirect relationshipInverse relationship
- 36. Multiple ChoiceWhat is the dependent variable?ABNeither A or BCannot be determined
- 37. Multiple ChoiceIn an experiment, 10.0 g of Alka Seltzer (NaHCO3) is mixed with 15.0 g of water (H2O). The products of the reaction are 5.0 g of sodium hydroxide (NaOH), 15.0 g of water, and carbon dioxide gas (CO2).
The equation for this reaction is below:
NaHCO3 + H2O → NaOH + H2O + CO25 g10 g20 g25 g - 38. Multiple ChoiceBalance the following equation:
____ CS2 + ____ O2 → ____ CO2 + ____ SO2CS2 + 3 O2 → CO2 + 2 SO2CS2 + 2 O2 → CO2 + SO2CS2 + 6 O2 → CO2 + 2 SO22 CS2 + 6 O2 → 2 CO2 + 2 SO2 - 39. Multiple ChoiceClassify the type of reaction:
LiNO3 + Ag --> AgNO3 + LiSynthesisDecompositionSingle DisplacementDouble Displacement - 40. Multiple ChoiceClassify the type of reaction:
Na2O --> Na + O2SynthesisDecompositionSingle DisplacementCombustion - 41. Multiple ChoiceClassify the type of reaction:
O2 + H2 --> H2OSynthesisDecompositionSingle DisplacementDouble Displacement - 42. Multiple ChoiceClassify the type of reaction:
AgNO2 + BaSO4 --> Ag2SO4 + Ba(NO2)2SynthesisDecompositionDouble DisplacementCombustion - 43. Multiple ChoiceWhich arrow represents the activation energy in the diagram?ABC
- 44. Multiple ChoiceThe reaction in the diagram is an example of:An exothermic reactionAn endothermic reactionNone of the above
- 45. Multiple ChoiceWhich arrow represents the activation energy in the diagram?ABCD
- 46. Multiple ChoiceThe reaction in the diagram is an example of:An exothermic reactionAn endothermic reactionNone of the above
- 47. Multiple ChoiceThe reaction in the diagram is most likelychemical decompositionchemical synthesisnuclear fissionnuclear fusion
- 48. Multiple ChoiceWhat is the period of oscillation for the wave on this graph?10200.81.6
- 49. Multiple ChoiceA tuning fork vibrates 24,000 times in 60 seconds. What is the period?4000.00251,440,0001,440
- 50. Multiple ChoiceIf the period of a swing is 2.6 seconds, what is the frequency?2.6 Hz2.6 sec0.38 Hz0.38 sec
- 51. Multiple ChoiceIt takes 1572 miles to travel from Irondale to Disney World. How many kilometers is this?
(1 km = 1.6 miles)15722515 km983 km614 km - Answer choicesTagsAnswer choicesTags