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science
Question | Answer |
---|---|
what is a physical property | A property that you can observe without changingor trying to change the compisition of the substances. |
what are physical changes | characticic that canot be changed without altering the substance. |
what is chemical property | A chemical property is any characteristic that gives a substance the ability to undergo a change that results in a new substance |
what is chemical changes | occurs when substances are changed into different substances. |
WHAT ARE THE 5 STEPS TO THE SCIENTIFIC METHOD | 1. STATE THE PROBLEM 2. FORM A HYPOTHESIS 3. EXPERIMENT 4. RECORD: ANALYZES 5. DRAW CONCLUSIONS |
WAHTS WHAT DOES CONSTANT MEAN | STAY SAME THROUGHOUT |
WHAT DOES DEPENDENT VARIABLE MEAN | WHAT IS MEASURED |
WHAT DOES INDEPENDENT VARIABLE MEAN | WHAT THE SCIENTIST CHANGE |
WHAT IS THE CONTROL GROUP MEAN | WHAT IS USED FOR COMPARISON |
WHAT IS THE NUCLEUS | IT HOLDS THE PROTONS & NEUTRONS |
PROTONS ARE... | POSITIVE (+) |
NEUTRONS ARE... | NEUTRAL (0) |
ELECTRONS ARE... | NEGITIVE (-) |
THE ELECTRON CLOUD IS... | EMPTY SPACE THAT HOLDS ELECTRONS |