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Ms. Turk Science Unit 2 6th - PowerPoint PPT Presentation


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Atomic mass, atomic number, protons, neutrons, electrons, metals, physical properties

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It is Halloween. You are entering a haunted house.Get the right answer and you can continue.Make one mistakeand you are in trouble.


What is the atomic number for silicon a 14 0 b 14 1 c 28 1 d 42 1
What is the atomic number for silicon? A 14.0 B 14.1 C 28.1D 42.1



What is the atomic mass of boron a 10 81 b 5 c 3
What is the atomic mass of boron? always listed on top.a. 10.81b. 5c. 3



What is the atomic mass of oxygen a 10 81 b 16 00 c 8
What is the atomic mass of oxygen? listed on the bottom.a. 10.81b. 16.00c. 8



What is the atomic mass of calcium a 10 81 b 16 00 c 40 08 d 8
What is the atomic mass of calcium? always on the bottom. a. 10.81b. 16.00c. 40.08d. 8



Which are the reactants na cl nacl

a. NaCl always on the bottom.

b. Na and Cl

c. None

Which are the reactants?Na + Cl NaCl



Which is the product na cl nacl

a. NaCl always on the bottom.

b. Na

c. Cl

Which is the product?Na + Cl  NaCl



a. water always on the bottom.

b. vinegar

c. Baking soda

Which has the physical property of a clear color and a sour taste?



a. water always on the bottom.

b. vinegar

c. baking soda

Which has the physical property of a white color and odorless?



a. water always on the bottom.

b. Carbon dioxide

c. Baking soda

Which has the physical property of a gas with colorless and sour taste?



a. water always on the bottom.

b. vinegar

c. Baking soda

Which have the physical property of colorless and odorless?



Which will react the fastest when mixed with water? always on the bottom. A A whole Alka-Seltzer tabletB An Alka-Seltzer tablet broken into four pieces.C An Alka-Seltzer tablet broken in half.D An Alka-Seltzer crushed into a powder.



Cody has a piece of Aluminum, which he mixes with acid to make a reaction. How can he speed up the reaction?A Put the Aluminum in the acid in one whole piece.B Fold the Aluminum in half before he puts it in the acid.C Ball the Aluminum up into a giant ball before he puts it in the acid.D Cut the Aluminum into tiny pieces before he puts it in the acid.


You are correct you may continue7
You are correct. You may continue. make a reaction. How can he speed up the reaction?


A scientist has two samples of the same chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. What would most likely happen if the scientist placed the powdered sample into a different beaker of water? A No reaction would occur. B A completely different reaction would occur. C The same reaction would occur but at a faster rate.D The same reaction would occur but at a slower rate.


You are correct you may continue8
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a thiamin b niacin c vitamin b6 d magnesium
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. thiaminb. niacinc. Vitamin B6 d. magnesium


You are correct you may continue9
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a riboflavin b niacin c vitamin a d potassium
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. riboflavinb. niacinc. vitamin A d. potassium


You are correct you may continue10
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a sugar b protein c sodium d folate
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. sugarb. proteinc. sodium d. folate


You are correct you may continue11
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a zinc b riboflavin c vitamin c d folate
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. zincb. riboflavinc. vitamin C d. folate


You are correct you may continue12
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a fat b thiamin c calcium d vitamin a
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. fatb. thiaminc. calciumd. vitamin A


You are correct you may continue13
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Which one is an element on the chart a potassium b cholesterol c vitamin c d protein
Which one is an element on the chart? chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction. a. potassiumb. cholesterolc. vitamin Cd. protein


You are correct you may continue14
You are correct. You may continue. chemical: one sample is a solid block, and the other sample is a powder. The scientist puts the solid block in a beaker of water and observes a reaction.


Bryson burns a piece of paper, and observes that the reaction gives off heat and light. What kind of reaction is taking place? A Exothermic, because heat is released.B Endothermic, because heat is released.C Exothermic, because heat is absorbed.D Endothermic, because heat is absorbed.


You are correct you may continue15
You are correct. You may continue. reaction gives off heat and light. What kind of reaction is taking place?


Antoinette mixes two chemicals together in a giant beaker, and observes thatthe reaction gets colder as it sucks in heat from the room. What kind of reaction is this?A Exothermic, because heat is released.B Endothermic, because heat is released.C Exothermic, because heat is absorbed.D Endothermic, because heat is absorbed.



Terrance puts a thermometer in a jar. It reads 20 and observes thatºC. Then, he adds 2 chemicals to the jar. The thermometer changes to read 25ºC as the chemical reaction occurs.a. What kind of reaction is this?A Exothermic, because heat is released.B Endothermic, because heat is released.C Exothermic, because heat is absorbed.D Endothermic, because heat is absorbed.



Deja and observes thatputs a thermometer into a jar. It reads 30ºC. Then, she adds two chemicals to the jar. The thermometer changes to read 19ºC as the chemical reaction occurs.A.Exothermic, because heat is released.B Endothermic, because heat is released.C Exothermic, because heat is absorbed.D Endothermic, because heat is absorbed.



Which is a physical property? and observes thata. Blue Colorb. Reacts with acid to form a gasc. Reacts with base to form water



Which is a chemical property? and observes thata. Blue Colorb. Reacts with acid to form a gasc. Sour tastesd. Melting pointe. Density



Which is a chemical change a ice melting b water is heated and changed into steam c iron rusts
Which is a chemical change? and observes thata. ice meltingb. Water is heated and changed into steam.c. Iron rusts



Metals are a good conductors b bad conductors c materials where electrons can not flow freely
Metals are and observes thata. good conductorsb. bad conductorsc. materials where electrons can not flow freely



Nonmetals are a good conductors b bad conductors c materials where electrons flow freely
Nonmetals are and observes thata. good conductorsb. bad conductorsc. materials where electrons flow freely



Metals have a low resistance b high resistance c low conductivity
Metals have and observes thata. low resistanceb. high resistancec. low conductivity



Nonmetals have a a high resistance b a low resistance c high conductivity
Nonmetals have and observes thata. a high resistanceb. a low resistancec. high conductivity



What would you use to transfer electrical energy from a power plant to your house? A. metalbecause it has a high resistanceb. nonmetal because it has high resistancec. nonmetal because it has low resistanced. metal because it has a low resistance


You are correct you may continue26
You are correct. You may continue. power plant to your house?


What would you use to insulate (put around to keep safe) an electrical wire? A. metalbecause it has a high resistanceb. nonmetal because it has high resistancec. nonmetal because it has low resistanced. metal because it has a low resistance



How many electron does helium have a 2 b 4 c 8
How many electron does Helium have? electrical wire? a. 2b. 4c. 8



How many protons does helium have a 2 b 4 c 8
How many protons does Helium have? electrical wire? a. 2b. 4c. 8



How many neutrons does helium have a 2 b 4 c 8
How many neutrons does Helium have? electrical wire? a. 2b. 4c. 8





How many protons does lithium have a 2 b 3 c 6 941
How many protons does lithium have? protons, and 2 electrons. a. 2b. 3c. 6.941


You are correct. You may continue. Remember the number on top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.


How many electrons does lithium have a 2 b 3 c 6 941
How many electrons does lithium have? top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.a. 2b. 3c. 6.941


You are correct you may continue30
You are correct. You may continue. top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.


How many neutrons does lithium have a 7 b 3 c 4
How many neutrons does lithium have? top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.a. 7b. 3c. 4


You are correct you may continue31
You are correct. You may continue. top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.


This is a picture of a lithium b helium c boron
This is a picture of top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.a. lithiumb. heliumc. boron


You are correct you may continue32
You are correct. You may continue. top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.


If i know an element has 2 protons then i know it has a 4 electrons b 2 electrons c 8 electrons
If I know an element has 2 protons, then I know it has top is the atomic number that tells you the number of protons and electrons. The number of protons is always the same number as the number of electrons.a. 4 electronsb. 2 electronsc. 8 electrons



You are wrong a ghost takes you to your demise
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise1
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise2
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise3
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise4
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise5
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise6
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise7
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise8
You are wrong. A ghost takes you to your demise. You may click here to start over.


You are wrong a ghost takes you to your demise9
You are wrong. A ghost takes you to your demise. You may click here to start over.





































You are wrong
You are wrong. out.

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