Science is a way of learning more about the ________________________.
What is natural world.
In the Science lab, you should _______ before you act.
What is think.
Explain what a model is.
What is a representation of an object or an event used as a tool for understanding the natural world. Helps us visualize something too big or too small to be seen.
Do not __________ before you have permission.
What is touch?
Give an example of a physical model.
What is solar system, cell, globe, etc.
Name 2 types of scientific investigations.
What is fieldwork, survey, laboratory investigation, research investigation. Examples: vary.
Example of a visual model.
What is drawing of atom, solar system, map, diagram, water cycle etc.
____________ data are observations of the natural world.
What is qualitative data.
Name the 3 types of models.
What is physical, mathematical, visual, computer.
Name 2 ways that scientists increase the validity of their experiment.
What is repetition, replication, increasing the sample size, keeping all variables constant except for one, etc.
Name three safety precautions scientists must use in the Science lab.
What is safety glasses/goggles, gloves, lab coat/apron, wash hands, do not eat, smell or drink in lab.
Example of a mathematical model.
What is hurricane tracking model, Density = mass/volume, any formula.
Factor that you measure in the experiment.
What is dependent variable?