We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byVaughn Headman
Modified about 1 year ago
Investigating which material blocks the sound best By Rachael Davide and Amy
Method Equipment needed sound meter alarm air, bubble wrap foam, cotton wool, foam rubber
Equipment Alarm Bubble wrap Foam Foam rubber Cotton wool Sound meter
Method 1.Make a sound wave using the alarm clock 2.Use a sound meter( at the other end of the room) to measure the sound in dB one at a time. 3.Put the material over the sound meter and measure the sound. 4.Record the results in a table.
Results materialVolume (dB) air70 Bubble wrap60 foam70 Cotton wool40 Foam rubber50
Results Material dB
Conclusion The cotton wool is the best at blocking out the sound.
Which material is best for muffling sound? Miss M Gheewala.
Step by Step Instructions. Supplies needed to make the body of the rocket. Tape Paper Marker Scissors.
Keeping Warm Year 4 Lesson 1 L.O To know that touch is not an accurate way of judging temperature.
This presentation will describe a method of measuring the speed of sound. The method involves using tuning forks and listening for resonance in closed.
Unit 1 Lesson 5: What Makes an Electromagnet?. Objective By the end of this lesson you should know what an electromagnet is and how to make one.
S&S 3.1 Bubble Blowing Fungi Designing your own Investigation GLEs 1.2.1; 1.2.3; 2.1.2; 2.1.3;
Liquid Viscosity Intro. To Engineering Project Team #9 Nov 02, 2004.
CHE 185 – PROCESS CONTROL AND DYNAMICS WORKSHOP 4.
Howden School and Technology College 7J Electrical Circuits Whats in the black box?
The Scientific Method. The scientific method is the only scientific way accepted to back up a theory or idea. This is the method on which all research.
1 day. Catching the Pitch Wednesday March 28 th, 2012 Warm-up: ** Answer in complete sentences below your paste-in*** 1. How is sound transferred as energy?
Designing an experiment: An experiment is an organized procedure to study something under controlled conditions.
Noise and Old Ears by Jack Myers. 1 What is the meaning of the word decibel in paragraph 7 of the selection? Ο A. The loudest sound heard by human ears.
What is Science Lesson 6. What is Science? (Lesson 6) Objectives: Explore and Explain.
Polarization of light Three slides. A light wave which is vibrating in more than one plane is referred to as unpolarized light. Light emitted by the sun,
Acid Vs. Caffeine By Raylene Myers. Materials pH Strips (at least 4) Monster Energy Drink Lime Juice Pepsi Hydrochloric Acid Clock 4 Bowls Gram Scale.
Safety in Schools Mrs. Maurno Block 4 March 19, 2012.
What is science?. What do scientist do? Scientist observe the world around them and ask questions to understand how things work.
Scientific Method The scientific method is an organized plan for gathering, organizing, and communicating information. The goal of any scientific method.
The Nature of Science. What is Science??? Science is a particular way of understanding the natural world.
THE SCIENTIFIC METHOD 8 th science Science - is a systematic enterprise that builds and organizes knowledge in the form of testable explanations.
Science in our World. Science starts with a Question.
Extended Practical Investigation Yr 10 EPI. Yr 10 Science EPI Builds on your skills from Years You choose the topic of investigation All research.
The Scientific Method. Steps of the Scientific Method The Scientific Method is used by all Scientists The Scientific Method is made up of many parts called.
Making a simple telephone. Alexander Graham Bell invented the telephone.
WORKING IN COLLABORATIVE GROUPS TO GO OVER THE LANGUAGE ARTS PRE- ASSESSMENT Group it Up! Activity.
Querying Integrated Observation and Measurement data SONet June 8,
InitialAssessment Skills for Life Support for World Class Skills.
Scientific Method Method of scientific investigation Four MAJOR steps: Identify a problem Form a hypothesis Perform an experiment Conclusion.
HOW TO CREATE AN EXPERIMENT. What is the first thing you do? Get a logbook! Number every right hand page. On first page identify the writer, school, subject.
© 2016 SlidePlayer.com Inc. All rights reserved.