Drain cleaner, pH13-really basic
Milk of magnesia, pH10.5-basic
Baking soda, pH9-basic 
Seawater, pH8-basic

Lemon juice, pH2-really acidic
Tomato juice, pH5-acidic

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How a modern scientist and one from the 1800s communicated their data  with other scientists? 1800 In 1800 scientist use books and they comunicated by cards and by talking each other 2017 Now scientist use internet to make they life easier, they comunicate by calls with phones and new techologic advaces make more experiments.
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TYPES OF ENERGY

ENERGY TYPES OF ENERGY Energy can be find in a number of forms,when you eat the body breacks the food and gives energy to your body. Energy can be find in the sunlight in form of heay and light and in night the street light gives electrical energy. KINECTIC & POTENTIAL ENERGY Kinectic and Potential energy are the main types of energy. Kinectic energy is the energy that is in motion like the air around you that's kinectic energy. Potencial energy is the energy store by the objects that are not moving such as a book or a cellphone that is laying in the table still. UNIVERSAL ENERGY CONVERSATION ACT The unversal energy conversation act stable: Energy can neither  be destroyed  nor created  but it can transform  from one form of Energy  to another Just like potencial energy transform into Kinectic energy MECANICAL ENERGY If an object have Potencial and Kinectic Energy at the same time it's Mechanical energy. A masive demolition bowl is a g
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VARIABLE AND CONTROLS -Scientists design experiments in much the same way. They take great care to make sure only one factor in the experiment, the indepent variable, is changed. The independent variable in your experiment is the brand of sports drink. The factor that changes as a result of the independent varible is called dependent variable.  The dependent variable in your experiment is the mass of dry material. Controls are factors that are kept the same, providing a basis for comparision. Controls in your experiment are the identical jars, amount of drink, and the temparature of the plate.
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