Chemistry

which are the three ways a substances can alter a body

• absorption

• digestion

• ingestion

• inhalation

how can a substance get into your body by inhalation

• breathing

• eating

• touching

• drinking

how can a substance get into your body by absorption

• breathing

• eating

• touching

• drinking

what is an independent variable

• what changes in an experiment

• does not change an experiment

• what is measured in an experiment

• is the group that is only used for a comparison

what is constant variable

• what changes in an experiment

• does not change in an experiment

• what is measured in an experiment

• is the group that is only used for a comparison

which of the following is the answer for critical thinking

• reason

• expected to happen

• identity the problems and success with an investigation

• observing all parts before drawing a conclusion

which of the following is the definition or example of accuracy

• stay very close to each other

• the state of being exact or correct

which of the following are definitely a part of evidence for a chemical change

• gas created

• substances change

• energy release

• change in state

• change in color

which of the following is the name of gas to solid

• sublimation

• deposition

• condensation

• evaporation

which of the following is gas to liquid

• sublimation

• deposition

• condensation

• evaporation