<p> STUDY GUIDE SCIENCE TEST</p><p>Know the following:</p><p> What is a variable? o Listing variables in an experiment</p><p> What is a controlled experiment? o Changing one variable and testing how it affects your experiment</p><p> How does a variable affect: o Pendulum system o Lifeboat experiment o Flipper system o Flight of FOSS plane (all experiments were done in class)</p><p> Characteristics of a controlled experiment o Example: What affect do the size of the back wheels and the shape of the front end of a model race car have on the speed of the car? . Wheels: big and small . Front End: round or pointed</p><p> Catapult system o Parts of a catapult system o What things might you do to a catapult system to make an object go higher or farther?</p><p> Independent and Dependent variables</p><p> The affect mass has on the distance a FOSS plane can fly</p><p> Relationship between the length of a string and the number of swings a pendulum makes</p><p> Graphing data from a “T chart”</p><p> o Predicting outcomes using a graph </p>