Introductory Unit Review

38
Introductory Unit Introductory Unit Review Review

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Transcript of Introductory Unit Review

Page 1: Introductory Unit Review

Introductory Unit Introductory Unit ReviewReview

Page 2: Introductory Unit Review

What is the first step of What is the first step of the scientific method?the scientific method?

Make ObservationsMake Observations

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What is the second step What is the second step of the scientific method?of the scientific method?

State the problemState the problem

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What is the third step of What is the third step of the scientific method?the scientific method?

HypothesizeHypothesize

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What is the fourth step of What is the fourth step of the scientific method?the scientific method?

Design the Design the experiment and testexperiment and test

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What is the fifth step of What is the fifth step of the scientific method?the scientific method?

Collect dataCollect data

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What is the sixth step of What is the sixth step of the scientific method?the scientific method?

Analyze dataAnalyze data

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What is the last step of What is the last step of the scientific method?the scientific method?

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How many independent How many independent variables can be tested in variables can be tested in

an experiment?an experiment?

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The variable you measure The variable you measure and do NOT know before and do NOT know before the experiment is called the experiment is called the the -?- -?- variable.variable.dependent

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The group in an The group in an experiment that you use experiment that you use for comparison is called for comparison is called

the the -?- -?- group.group.control

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What is the base unit What is the base unit for measuring volume for measuring volume in the metric system?in the metric system?

1 liter

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What is the base unit What is the base unit for measuring mass in for measuring mass in

the metric system?the metric system?

Grams not grahams,

silly!

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What is the base unit What is the base unit for measuring for measuring

temperature in the temperature in the metric system?metric system?

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The variable YOU The variable YOU control in an control in an

experiment and know experiment and know before the experiment before the experiment is called the is called the -?- -?-

variable.variable.independent

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The question you are The question you are trying to answer in an trying to answer in an

experiment is called your experiment is called your

-?- -?- statement.statement.problem

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Information gathered Information gathered during an experiment is during an experiment is

called called . .datadata

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When you are looking at When you are looking at your data VERY closely, your data VERY closely,

you areyou are - ? -- ? - your data. your data. analyzinganalyzing

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How many times must an How many times must an experiment be done experiment be done

before a theory can be before a theory can be made? made?

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What is the area of the What is the area of the following square? following square?

5 cm25 cm2

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How many centimeters How many centimeters are in a meter? are in a meter?

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How many deciliters are How many deciliters are in a liter? in a liter?

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How many grams are How many grams are in a kilogram? in a kilogram?

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Convert 2.5 cm to meters Convert 2.5 cm to meters

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Convert 5 hl to liters Convert 5 hl to liters

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What is the volume of the What is the volume of the following figure? following figure?

3 cm

27 cm33

cm

3 cm

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What is the volume of What is the volume of water in the graduated water in the graduated

cylinder below? cylinder below?

56 cm3

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Calculate the volume of Calculate the volume of the dinosaur? the dinosaur?

0.8ml

5.6ml minus 4.8ml =

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If the hamster If the hamster and beaker, and beaker,

together, have together, have a mass of 220 a mass of 220 grams and the grams and the beaker, alone, beaker, alone, has a mass of has a mass of

40 grams, 40 grams, what is the what is the mass of the mass of the hamster?hamster? 220g – 40g = 180g

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What is the missing data What is the missing data in the table below? in the table below?

BountyBounty VivaViva

Trial 1Trial 1 40 ml40 ml 32 ml32 ml

Trial 2Trial 2 44 ml44 ml ??

Average ml Average ml of water of water

absorbedabsorbed42 ml42 ml 35 ml35 ml

38 ml

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Is this data qualitative or Is this data qualitative or quantitative? quantitative?

BountyBounty VivaViva

Trial 1Trial 1 40 ml40 ml 32 ml32 ml

Trial 2Trial 2 44 ml44 ml 38 ml38 ml

Average ml Average ml of water of water

absorbedabsorbed42 ml42 ml 35 ml35 ml

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The temperature at The temperature at 6 pm is shown on 6 pm is shown on

the left. The the left. The temperature 7 temperature 7

hours later at 1 am hours later at 1 am is shown on the is shown on the

right. How many right. How many degrees Celsius did degrees Celsius did

the temperature the temperature fall from 6 pm to 1 fall from 6 pm to 1

am?am? 21°C 6°C21°C - 6°C = 15°C

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Janice has pink finger Janice has pink finger polish on. polish on.

ObservationObservationor or

Inference? Inference?

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Janice is engaged.Janice is engaged.

ObservationObservationor or

Inference? Inference?

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What do we use in the What do we use in the lab to measure mass?lab to measure mass?

Triple beam balance

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Which candle will attract Which candle will attract the least amount of the least amount of

mosquitoes?mosquitoes?What is the independent variable?What is the independent variable?

What is the dependent variable?What is the dependent variable?

Different candlesDifferent candles

Number of mosquitoesNumber of mosquitoes

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What is the difference What is the difference between weight and mass?between weight and mass?

Weight depends on gravity!Weight depends on gravity!