daily quiz, jan 3x2 your homework should be on your desk work silently. answers must be in complete...
TRANSCRIPT
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Daily Quiz, Jan 3x2Your homework should be on your desk
Work silently.Answers must be in COMPLETE
SENTENCES.1. Write a hypothesis for the following situation.
Observation: The athletes look bigger.Question: What is the effect of exercise on muscle size?
2. Is your answer to question 2 a ‘quality’ hypothesis? Give 3 reasons why or why not.
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Top Ten
• Compiled from class ideas
• 10 points possible per day
• Earn point if ENTIRE class does a top ten
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Take 1
• Silent
• It’s your time so respect yourself
• Watch your breath
• Don’t stress • Whatever happens is perfect
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Binders and Challenge• First do your challenge exercise on the
half sheet of paper. When you are done, I’ll check it and you can set up your binder.
• Label your dividers (see syllabus)• Write your name on the side.
– Markers and tape
• Place your work in the correct sections• Example Section: Assessments
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Guess the Rule…Column 1 Column 2
Glue feels sticky CP3 is the best player in the NBA
The student hears the bell ringing
The man is in a hurry
Ms Hughes is 5’ 7” Pickles smell gross
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Wait!
1. Write down what you think the rule is for separating the 2
2. Partners share
3. Group shares
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Guess the Rule…Column 1 Column 2
Glue feels sticky CP3 is the best player in the NBA
The student hears the bell ringing
The man is in a hurry
Ms Hughes is 5’ 7” Pickles smell gross
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-Explain why observations are important
- Write detailed observations -Make inferences
Today I will be able to…
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Key Point 1: An observation is
• Gathering and collecting information (data) using your five senses and tools– Sight– Touch– Hear– Smell– Ruler– thermometer
• Ex: I taste that chocolate is sweet
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Key Point 2:An inference
is an interpretation of your observationsEx: I think this is a snickers because it tastes like chocolate and peanuts
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The Difference
• Key Point #3: Observations are facts, and can’t be wrong. Inferences are beliefs, and can be wrong.
• Example:–Michael leaves the movie theatre, and
sees that the ground is wet. So Michael thinks that it rained.
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“Beyonce looksgood”
• Observation or inference?
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“Beyonce looksgood”
• Not an observation!!!– It is not a fact that
Beyonce looks good. – Some people disagree.
• This is an inference!!!– Whoever said this
believes that Beyonce is attractive because of facts: she has clear skin, shiny hair, an hourglass figure, etc.
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Observation or Inference? Part I
• This kid looks like a dork.
• The cowboy hat is brown.
• Cake tastes delicious.
• The bandana is red.
• I believe it is his birthday.
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Partner Up
• Partners take turns answering
• Classify and explain why
• If your partner doesn’t explain why, ask them!
• If you disagree, you may ask your group
• If the whole group disagrees, all raise hands
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Observation or Inference? Part I
• This kid looks like a dork.
• The cowboy hat is brown.
• Cake tastes delicious.
• The bandana is red.
• I believe it is his birthday.
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Observation or Inference? Part II
• Make five observations about the classroom, and three inferences based on those observations.
Observations Inferences
1. 1.
2. 2.
3. 3.
4.
5.
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Observation or Inference? Part III
• Partner up!
• Take turns with your partner
• Read off an observation or inference
• Partner must classify
• Write down good examples from your partner
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Key Point Wrap-up#1: An observation is gathering
information about the world through our five senses and tools
#2: An inference is an interpretation of an observation
#3: Observations are facts, and can’t be wrong. Inferences are beliefs, and can be wrong.
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Scientific Method Sequencing
• You will be assigned a step of the scientific method
• Without telling your group members which step you have, put your steps in order
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ScienceThe real world, your life, with fancy words
Scientific methodA way to ask questions and get answers
about the real world.
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2. Ask a question
Scientific Method
1. Make an observation
3. Gather Background Information
4. Make a Hypothesis
5. Test the Hypothesis(Experiment)
6. Analyze Data
7. Draw Conclusions
8. Reflect
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To test your hypothesis…
•Experiment: a test you do to answer a question
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To test your hypothesis…
•Materials: the things you need to test your hypothesis.
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To test your hypothesis…
•Procedure:
the instructions you need to follow to test your hypothesis.
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• Look back to procedures I have followed during demos.
• What do they have in common??
• Brainstorm with group…
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How to plan a procedure….
Think about WHAT you MUST do!
USE COMMON SENSE! THINK CAREFULLY!
A ‘quality’ procedure…
1. Must be step-by-step
2. Number each step
3. Must be specific and clear
4. Last step is always CLEAN UP!
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What is the point of today?
To select materials
To plan a procedureImportant for…
1. GEE Science
2. This class
3. LIFE
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Mystery GooI stayed after school yesterday and mixed
cornstarch and water together. Afterwards I noticed it had some strange properties. Sometimes it acted like a liquid and sometimes it acted like a solid. I wanted to find out what made it act like a liquid or a solid so I planned an experiment. Then, I heard a rumor that you all wanted to do labs and convinced me to let you do the experiment instead.
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Mystery GooDirections: With your team select materials
and plan a procedure to make:
A mixture that is 25 mL of water and ¼ cup of cornstarch perfectly blended together.
Remember: safety equipment!
Name: _____________________
Date: ______________________
Period: _____________________
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Graduated cylinder
Name of equipment
Drawing
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Back of Card
What does this tool measure?
Volume
…in what units?
Milliliters (mL)
How do I use this tool?
…coming up next!
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Reading the Graduated Cylinder• Your eye
should be level with the top of the liquid
• You should read to the bottom of the MENISCUS
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Reading the Graduated Cylinder
•What is this reading?
•_____ mL
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Reading the Graduated Cylinder
•What is this reading?
•____ mL
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Reading the Graduated Cylinder
•What is this reading?
•____ __
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Reading the Graduated Cylinder
•What is this reading?
•____ __
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Expectations
• Always respect your environment and clean up.
• Be responsible and write observations as you work
• Be ready. Everyone in the group must participate.
• Follow PROCEDURE carefully…remember the “directions” exercise at the beginning of class
• Protect yourself and do not eat ANYTHING.• Remain at your lab stations!!!
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Lab Procedure
• Only begin with pre-lab questions done AND checked
• Send one to get materials
• Send one to get goggles for group
• Two clear tables
• Always think first, write own thoughts, share with group one at a time, then may choose to revise
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Homework
• Complete any unfinished class work
• Do the Scientific Method in Practice
• Signed syllabus and letter home by Fri
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Daily QuizComplete your daily quiz
silently.
When time is up, we will grade them.
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Daily Quiz Graded
On the paper you grade write:“Graded by (your name)”Correct an wrong answers. Write the total correct at top.1. B2. D3. C4. G5. F6. A7. E