scientific methods | hypothesis | evidence | two- dimensional | three-dimensional | |
|---|---|---|---|---|---|
facts gained from observations and experiments | |||||
organized ways to answer questions and solve problems | |||||
something that has width and height | |||||
a possible answer to your question | |||||
describes objects that have length,width, and height |
Scientists do not always use the same methods. They do not follow the methods in rigid order.
Scientists record their methods so their experiments can be repeated accurately.
Measurements made by scientists are usually in Metric units but the United States also commonly uses non-metric units.
Models are not objects or ideas that represent other things.
Some scientific methods include:
There are three types of variables in an experiment. Which variable is the thing you change on purpose?
In an experiment, how may times should we repeat a trial?