Chapter 1 Science Test Notes 7 th Grade

Chapter 1 Science Test Notes 7 th Grade

n Scientific knowledge can sometimes be changed. n Area = Length X Width n The first thing you should do when an accident happens is remain calm, and assess the situation.

n A scientist who wants to study the effects of a new medicine would probably include a control group that received no medicine. n Being curious and asking questions about living things could lead you to study life science.

n A compound light microscope uses lenses to magnify small objects so they can be seen. n Volume is a term that refers to the size of something in a three-dimensional space.

n. A physical model could be a toy airplane. n The difference between the control group and the experimental group in a controlled experiment is the variable. n Analyzing results is a step of the scientific method.

n Scientists communicate their results in written reports so other scientists can repeat their experiments. n The representation of an object or a system is called a model.

n One way to do research is to find information in print and electronic resources. n The International System of Units help scientists share and compare results. n You should not just simply keep quiet after an accident occurs.

n A simple first-aid procedure for treating a minor heat-related burn is to hold area under cold, running water for 15 minutes. n Always pick up the animals the way your teacher tells you to.

This time…I Study!!!!!!!! n Life science has few scientific laws because living organisms are very complex. n An advantage of SI units is that they are based on the number 10.