2.  This system is an amazing highway that travels through your body.  It takes oxygen, nutrients, and water to all parts of your body.  It carries away waste like carbon dioxide.  The heart, arteries, veins, and blood are important parts of this system. NAME THAT SYSTEM!

4.  This system provides fuel for our bodies.  It breaks the food we eat into nutrients that our bodies can use for growth and energy..  This process begins in the mouth when we chew and swallow.  Important organs in this system are the stomach and the intestines. NAME THAT SYSTEM!

6.  Following rules is very important in this system.  Wearing seatbelts when riding in cars and buses is a rule.  One rule in this system is that helmets must be worn when riding bikes.  Another rule tells bike riders and walkers to “Wait for the Wave.” NAME THAT SYSTEM!

8.  This system helps you solve scientific problems.  Ask a scientific question and guess what the answer will be.  Decide on a procedure for finding the answer to the question.  Follow the procedure to see if your guess answers the question. NAME THAT SYSTEM!

10.  This system helps you solve an information problem.  First, ask a great question and decide where to look for the answer.  Choose the very best resources to find information about the question.  Use information from all of the resources to explain the answer to the question. NAME THAT SYSTEM!

12.  This system helps you find your way if you get lost.  It has opposites on it.  It works with the direction of the sun.  Cardinal directions are part of this system. NAME THAT SYSTEM!

14.  This system helps us learn our way around the world.  It has landforms and water bodies on it.  This system should have a title and a compass rose.  This system is a flat drawing of the Earth. NAME THAT SYSTEM!

16.  This system has many leaders.  This system can be found in a city, state, or country.  Good citizenship helps people get elected or appointed to this system.  Our student council is an example of this system. NAME THAT SYSTEM!

18.  This system helps you learn about the features of the Earth.  It can show continents, countries, states, cities, oceans, and more!  Mountains, islands, and lakes can be part of this system  Maps and globes are part of it too! NAME THAT SYSTEM!