Science

By: Maria Salmeron

Table of contentsI. My learning this yearII. Waves partsIII. Infra and ultra sounds IV. EyeV. How lighting is formVI. Ground & resistance VII. CircuitsVIII. Electromagnetic SpectrumIX. Transparent Translucent OpaqueX. Scientific methodXI. Simple machinesXII. Newton's law

My learning

• First of all I am happy to have you again like a teacher well anyways this years learning was okay I didn’t really have any problems at all and I still have something's memorize so I wont forget and I know we reached our learning goals this years learning was pretty fun

Parts of a wave

Ultra & infra sound

Ultra sound• A sound higher than 20 hertz• Ex: dolphins bats and Doppler

, animals may use this to warn each other or to communicate

Infra sound• A sound lower than 20 hertz • Ex: Whale, tigers, washing

machine, giraffes, elephants they use this to find food talk to each other and warn each other

Eye• The eye has three cone cells they let ussee color which is red green and blue then we have two types of rods one that allows us to absorb black

and reflects white

How Lighting is formed

• 1st charge is build up• 2nd separation of charge • 3 release of charge

Ground and resistance

• Ground a conductor place in the ground for extra electrons can pass through safely

Ex: Lighting rod• Resistance slows down the flow of electrons Ex: Conductors low resistance Insulators high

resistance

Circuits• Electric circuit is the path that electrons can flow

There are 4 parts to a circuit1st switch-turn an off2nd Power source-battery or generator3rd electrical device-what is getting powered4th conductor-material it passes threw

Circuits

Series • Only has one path for

electricity to go through

parallel• Has multiple paths for it to go

through

Electromagnetic spectrum

• Includes all waves from Micro waves to Gamma rays

Transparent Translucent Opaque

• Transparent-to see through an object• Translucent-when you could see through but no

detail• Opaque-when you cant see through an object at

all

Scientific Method• The test to prove a statement • There are six steps involved in this they are:1. Research Question-What you are investigating2. Variables-What you are changing the result of what you changed

and what stays the same3. Hypothesis-An educated guess with an if and then statement4. Procedure-The steps to your experiment5. Graphs-When you make charts 6. Conclusion- Your summary and what did you learn

Simple machines

• Make work easier for us to do1. Incline plane2. Wedges3. Lever 4. Pulley5. Wheel & axle6. Screw

Newton's three laws

• Isaac Newton created three theories which are• 1st an object will not stop moving or will not

move until a force is added• 2nd the heavier an object is the more force is

needed• 3rd every reaction has an equal reaction with an

opposite direction