Cedar wood oil was the standard of microscopic observations in the 1940s, but its numerous disadvantages including yellowing with age and potentially damaging acidity prompted scientists to find a better substitute. Today, synthetic oils are used during these observations.
Cedar wood oil was the standard of microscopic observations in the 1940s, but its numerous disadvantages including yellowing with age and potentially damaging acidity prompted scientists to find a better substitute. Today, synthetic oils are used during these observations.
She Is Making Observations .
Making observations
By making mistakes.(:
By making mistakes.(:
HYPOTHESIS
An observatory.
If you're going to be a detective then you need to be able to find clues and figure out what they mean. That's what making good observations means.
After making thier observations, scientists study their data looking for what?
Experiment
Experiment
a woman making a sandwich in the kitchen