Tue 8/261. When must you wear safety glasses in the lab?Anytime you use:ChemicalsHeatGlassware

Wed 8/27

2. If you find something is broken in the lab, what should you do?

Tell your teacher

Thur 8/283. Explain the science procedure.Wafting - do not directly smell a substance.

Fri 8/294. Is it ok to enter the chemical supply storage

room if you run out of a chemical?Never

Tue 9/2

5. What is science? P. 7Is the investigation and exploration of natural

events.

Wed 9/3

6. What are the 3 branches of science? Use p. 9 ( the pages you tore out) Earth scienceLife sciencePhysical Science

Thur 9/4

7. What are the 4 possible ways you could test a hypothesis? P. 10-11

Design an experimentMake a modelGather evidence or researchCollect data/ record obsevations

Fri 9/58. What are the 6 steps of scientific inquiry? P. 15QuestionsHypothesize and PredictTest Hypothesis (experiments)Analyze resultsDraw conclusionsCommunicate results

Mon 9/8

9. What should you do before stating a hypothesis?p10

Make observationsState a problemGather information

Wed 9/10

10. What was the independent variable and dependant variable in the paper towel lab?

Independent variable – different brands of paper towels

Dependant variable - water absorbed

Th u r 9 /1 1

1 11. Jose saw bats catching insects after dark. He asked, “How do bats find the insects in the dark?”What step of the scientific method is this?

P problem

Fri 9/1212. Describe the independent and dependant

variable.IV – color of lightDV – plant growth

Mon 9/15

13. What rule(s)do you see for an element symbol?

Na not NAC not c

Wed 9/1714.

Wed 9/17

15. What is an element?A substance that can not be broken down into any

other substance.

Thur 9/18

16.What is a Compound? When two or more elements chemically combine, a

compound is formed. ( draw the models below)

HHydrogen

Warm up

Mon 9/22

1.

a. Mixture of 2 compoundsb. 1 compoundc. 1 Elementd. Mixture of element and compound e. Mixture of 2 elements

Tue 9/23

2. Is air an element, compound or mixture?mixture

Thur 9/253. Lucky Charms is

a(an) _________.ElementCompoundMixture

Mon 9/29

4. Is salt water an element, compound, or mixture?Mixture of H2O and NaCl (salt)

Tue 9/305. When 2 liquids form a solid it’s called a _______________. Precipitate / this is a sign of a chemical reaction

Wed 10/01

5. What is the importance of the stair step line?Separates metalloids from metals and nonmetals

Thur 10/26. What is energy?The ability to cause change.

Fri 10/37. What determines the amount of kinetic energy

a moving object has? P. 207Speed and Mass

Friday

tear out p. 204 - 214 5.5cmVoc.EnergyKinetic energyPotential energyWorkMechanical energySound energyThermal energyElectric energyRadiant energyNuclear energy

Define and draw something

Potential energy

Work

Mechanical Energy

Energy

Kinetic Energy

Mon 10/06

8. How are elements, compounds, mixtures identified?

Elements – pure substance (homogenous) sameCompounds – two elements chemically joined Mixture - E and C ( solution )Homogenous some

are Heterogenous.

Thur 10/99. What happens when chemical bonds are

broken ?Energy is released HeatLight

http://3.bp.blogspot.com/-uchQ5VgYVYs/TqdrYcgV6WI/AAAAAAAAAGM/SyP2jolA--k/s1600/Picture1.png

• Draw a model of salt water. Be sure to make a key for the elements.

Draw on the front of your bubble sheet

Element symbol – know the rulesElement – definition Atmosphere – mix of elements and compounds, can

the atm be separatedCompound – definitionBox of cereal – mixture can be separatedSalt NaCl – compoundH2SO4 - how many different elements2 liquids form a solid – chemical change , precipitateNonmetal – no luster , not malleable, insulatorMetalloid – semi conductorMetal – conductor, luster metallic, malleable, ductile

Evidence of a chemical changeSmokeBurning RustHeatCold FizzBubbles Solid forms

Tue 9/30

1. Complete p. 60 from text, front and use text to answer. #4 omit

2. Complete model cut out , turn in3. Week 6 test review cw hw

Page 2 Define the word

compound and draw a picture of the compound Nitrous Oxide.p. 46. N2O Draw the square 6cm x 5cm

Page 3Copy the list of elements and

compounds.Al Li2O H AgO 2 Fe2O3 H2O2

CO2 He CuO H2OWrite element or compound next to each.

If a compound give how many atoms of each.

What did you notice about the number in a formula for a compound?

Page Two

• Define the word compound and draw a picture of the compound Nitrous Oxide.p. 46. N2O Draw the square 6cm x 5cm

• Page Three Copy the list of elements and compounds.Al Li2O H

AgO 2 Fe2O3 H2O2

HClCO2 He CuO H2O

Write element or compound next to each.

If a compound give how many atoms of each.

What did you notice about the number in a formula for a compound

Page ThreeCopy the list of elements and compounds.Al Li2O H AgO 2 Fe2O3H2O2 HClCO2 He CuO H2O

Write element or compound next to each.

If a compound give how many atoms of each.

What did you notice about the number in a formula for a compound?

Mon 9/15

13.

Business

http://www.google.com/url?sa=i&rct=j&q=it+friday+cat+pictures&source=images&cd=&cad=rja&uact=8&docid=RyEa-LVjmUpw8M&tbnid=DBcXWUJsUCwIDM:&ved=0CAcQjRw&url=http://www.pinterest.com/darnelltpeterso/happy-friday-cats/&ei=tQMTVPf0HoXv8AGyuoCgBg&bvm=bv.75097201,d.cWc&psig=AFQjCNGbCrdTiIRnaH77vaOvwsKwkYaebA&ust=1410618540906404

http://www.google.com/url?sa=i&rct=j&q=bats+catching+insects&source=images&cd=&cad=rja&uact=8&docid=Jbvbgx6VC2PqzM&tbnid=YjiQmCJPjwpe5M:&ved=0CAUQjRw&url=http://www.wbir.com/story/news/local/2013/10/31/maryville-college-bats/3326087/&ei=4L0QVJCHDIHHggTD8YKADA&bvm=bv.74649129,d.eXY&psig=AFQjCNEHAEkw7Q6BZwd5QCX6EHd5D8cdVA&ust=1410469551032682

Scientific InquiryObservationInferenceHypothesisPredictionScientific TheoryScientific Law

VariableDependant variableIndependent variable