What is the substance remains the same, but it might change its form or state. IE: cutting wood?
100
What is a mixture?
What is two or more things put together.
100
What is the pH scale?
What is a scale that measures acidity?
200
What is the melting point of water?
What is 0 degrees Celsius?
200
How do you measure the mass of a regular solid?
What is weigh it on a scale?
200
What is a chemical change (with example)?
What is the original substance is changed into one or more new substances. IE: cooking eggs.
200
Name the three kinds of mixtures
What is mechanical mixtures, suspensions, and solutions.
200
What are some properties for acids?
What is have a sour taste, corrode metals, and burns skin?
300
What is the boiling point of water
What is 100 degrees Celsius?
300
How do you measure the mass of water?
What is calculate the mass of the container, than the mass of the water in the container, subtract the two and that is you answer?
300
What are reversible and non reversible changes
What is a reversible change can be changed back (like melting ice) but a non reversible change can't go back without being changed like cutting wood?
300
Describe the process of emulsion
What is spraying the liquid through very small openings so the fat brakes down so they stay suspended
300
What are some reasons dish soap a base?
What is it feels slippery, breaks down oils, has a pH higher than 7?
400
In our experiment what states did the ice change into?
What is solid, liquid, gas?
400
How do you measure volume
What is Length x Width x Height?
400
5 examples that a chemical change has occurred?
What is a new color appears,, heat light or sound is given off, bubbles of gas are formed a new odor, a precipitant forms, difficult or impossible to reverse?
400
Why is ketchup a solution but raisin bran is a mechanical mixture.
What is you can not see the ingredients in ketchup
400
Would baking soda be an acid or a base? (pH of 8.2) Would it burn your skin?
What is a base? No it would not burn.
500
Why do different things melt at different temperatures?
What are some things take more energy to heat?
500
How do I measure the mass of an irregular solid?
What is get a graduated cylinder fill with water,record the volume, put your solid in, record the volume, subtract the two, that is your answer?
500
Materialism of food in your body
physical or chemical change?
What is chemical change?
500
What are the six ways to separate mixtures?
What is picking apart, filtering, using density, using magnetism, dissolving, and evaporating.
500
If you take a blue piece of litmus paper, do I have to dip it in an acidic solution or a basic solution to turn it red?