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7 Unit 1 Voc Review
7th grade unit 1 vocabulary review
Term | Definition |
---|---|
chemicals | substances that are obtained by a chemical process or produce a chemical effect. |
corrosive | able to eat away at a substance by a chemical action |
dispose | to get rid of |
evacuate | to leave an area and find a place of safety and protection |
field | a specialized topic, subject or area of study |
guidance | direction and supervision |
hazardous | has the potential to cause harm |
heat-resistant | an object that does not absorb heat quickly, allowing it to be touched without risk of burning |
hypothesis | an educated guess that can be tested for accuracy |
investigate | to observe or study by close examination |
polyethylene | a special type of plastic that is resistant to chemicals and moisture and has good insulating properties; most often used in packaging and insulation |
research | investigation or experimentation aimed at discovery and interpretation |
slippage | the act of slipping; may cause a fall |
test | a critical examination, observation, or evaluation |
theory | a reasonable principle offered to explain occurrences or circumstances |
toxic | poisonous material capable of causing death or serious debilitation |
vulcanized | chemically treated with sulfur and heat, giving a substance useful properties, such as elasticity, strength, and stability |
comparative | showing similarities and differences between two or more subjects |
descriptive | observing and recording data and discovering facts |
experiment | a test, trial, or procedure carried out for the purpose of testing a hypothesis |
fact | an actual occurrence, truth |
accurate | free from error |
average | a value that shows a typical or normal result of an experiment |
conclusion | a reasoned judgement based on collected data |
data | actual information (such as measurements or statistics); used as a basis for drawing conclusions |
factors | parts of an experiment that can affect other parts of the experiment |
observation | the act of watching and taking note of facts and occurrences; often involves measurements and the five senses |
predict | to foretell on the basis of observation, experience, or scientific reason |
trend | a tendency or inclination |
variable | one factor of the experiment that is changed in order to observe what happens |