8th Grade Science

Welcome to 8th grade science!
Mrs. Barravecchio -
 email - rbarravecchio@schools.nyc.gov

Welcome Back!

Upcoming Dates -  
Exam #2 -Forces, Energy and Motion on Monday 11.18 and Tuesday 11.19 (802 and 803) - review sheet below
Quiz on Acceleration of Friday 10.26
Exam #1 - Energy and Motion on Tuesday 10.15
Quiz on Energy and Motion on Tuesday 10. 8
Quiz on Scientific Investigation on Tuesday 9.17


Grading Policy:
15% Quizzes
35% Exams
15% Projects
15% Homework
20% Labs and Classwork

Homework:
Week of November 18
Monday - review for exam 
Tuesday - Exam on unit 1 - forces, energy and motion
Wednesday - vocab define key words (star, universe, galaxy, gravity, planet, rotation, revolution) in notebook and goal sheet for unit 2 signed - due on Friday (802 and 803) due on Monday (801)
Thursday - vocab (see Wednesday)
Friday  - test corrections and signature (unit 1 - goal sheet and exam)

Week of November 12
Tuesday - p. 12 #1-6 on loose leaf - write question, answer and explanation due on Thursday (except 801 due on Friday)
Thursday - read p.332 and in your notebook - describe the parts of the a closed circuit  due on Friday (except 801 - due on Monday)
Friday - study for next week's exam!

Week of Nov. 3
Monday - please bring in a picture of yourself in action.  It should be on a black and white copy on printer paper.  Please see me or email me if this is a problem.  All pictures must be in by Friday.  
Tuesday - prepare for the Socratic Seminar on Speeding in NYC.  Think about how this relates to Newton's law. Students must come prepared with questions and notes.   The seminars will take place on Wednesday for 803, Thursday 802 and Friday for 801.  

Week of October 28
Monday - P. 343 #1-4 question and answer on loose leaf due on Wednesday 
Wednesday - read p. 348-352 on loose leaf - describe four types of simple machines - due on Friday

Week of October 21
Monday - TEST signed, corrections, and returned into the submit bin on TUESDAY 10.22!!!!!

        lab report for Lab 1.5 - Impact due on Tuesday

Question :  What will change the impact of the ball?

Hypothesis:

Materials:

Experiment:  (remember two groups – control and experimental) list steps to experiment

Data: create table showing three trials and average

Analysis:

1.Was your hypothesis correct?  Support it with two pieces of evidence from data.
2.What were some possible sources of error?



Tuesday - copy and complete the following questions on loose leaf.  Be sure to show givens, formula and answer with units.
1. A car starts at rest and reaches a speed of 22 m/s in 11 seconds.  What is the rate of acceleration for the driver?
2. A bicyclists pedals 3,500km to the north in 30 minutes, what is the speed of the individual?  What is the velocity?

Wednesday-Thursday -  review notes - quiz on Friday on acceleration 


Week of October 15

Tuesday and Wednesday - Exam - Energy and Motion
Thursday - review notes on acceleration
Friday - complete the lab
Hypothesis
materials
Experiment
Data
Analysis:1.Was your hypothesis correct?  Support it with evidence.
2.What were some possible sources of error


Week of October 7
Monday - review for tomorrow's QUIZ
Tuesday - quiz on Motion and energy
Thursday - review for Tuesday's exam (scientific method, energy, speed, graphs)
Friday - review for exam and complete lab conclusion questions

Analyze  your data (801/803)

•1. Use your distance-time graphs to compare the slopes for each of your trials and describe two observations and one inference.
2. Describe what the slope represents in this activity.
3. If you looked at all the distance-time graphs that your classmates created, what would you look for to find out who is a very fast runner?

4. What are sources of error in the experiment

Analyze your data  (802)

1.Use your distance-time graphs to compare the slopes for each of your trials and describe your observation.
2. Describe what the slope represents in this activity.

3. If you looked at all the distance-time graphs that your classmates created, what would you look for to find out who is a very fast runner?

Week of October 2
Wednesday and Thursday - complete the graph from class 
Friday - complete the lab packet on measurement; study for next week's quiz on motion(speed formula) and energy types

Week of September 23:
Monday - complete lab report (include data and detailed conclusion including hypothesis and evidence to support as well as sources of error) - due on Thursday
Tuesday - read p. 295-296; in a paragraph describe where energy comes from (on loose leaf due on Thursday)
Thursday - read p. 305-306; describe the three types of heat transfers

Heat transfer

Definition


Week of September 16:

QUIZ on TUESDAY on Scientific method be sure to review - hypothesis, iv, dv, and how to make an experiment valid.

Monday - on loose leaf copy the question and answer the following questions p. 41 #1-4.  Also answer on p. 41 - discussion question on the top of the page.  Due on Thursday (801 - due on Friday)
Thursday - copy and paste the following address to open a pdf file    https://www.problem-attic.com/pdf/g47e5wta
please print this file and answer all the questions.  Due on MOnday (802- due on Tuesday)



Week of September 9:
Monday - sign textbook form and hand in by Wednesday
Tuesday - vocab -due on Friday - define the following terms in the back of your notebook - independent variable, dependent variable, constant, control group, hypothesis
Friday - in your notebook - explain two pros and two cons of experimental design lab ; study for Tuesday's quiz on experimental design

Week of September 5
  • please email me (rbarravecchio@schools.nyc.gov)  with your child's name in the subject and the class.  In the email please provide me with your contact information
  • please sign and complete the form 
Ċ
Rita Barravecchio,
Nov 10, 2019, 5:37 AM
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