QUIET BALL UNIT 9-11 EXAM REVIEW 7 TH GRADE
WHAT IS A STIMULUS? Something that causes a reaction (response)
HOW SHOULD AN OUTDOOR CAT RESPOND TO RAIN? Seek Shelter
WHY IS HOMEOSTASIS IMPORTANT? It keeps the body stable
HOW DO YOU MAINTAIN HOMEOSTASIS ON A COLD DAY? Your body shivers which creates heat due to friction
HOW DOES SWEATING MAINTAIN HOMEOSTASIS? Sweat cools down a hot body
WHAT ELEMENT(S) MUST BE PRESENT IN ORDER FOR A MOLECULE TO BE ORGANIC? Carbon (attached to a Hydrogen)
IF YOU HAVE A FEVER AND IT BREAKS, MEANING YOU BREAK OUT IN A SWEAT, HOW IS YOUR BODY MAINTAINING HOMEOSTASIS? Sweat is cooling your body down
WHAT OTHER ELEMENTS COULD BE PRESENT IN AN ORGANIC MOLECULE ? Hydrogen Nitrogen, Oxygen, Phosphorus, Sulfur Remember Elements with a single symbol
WHAT IS MADE UP OF ORGANIC MOLECULES? All Living things (Organisms)
WHAT DOES A PLANT NEED IN ORDER TO INCREASE TURGOR PRESSURE? Water
HOW DO CARBOHYDRATES GET BROKEN DOWN IN THE DIGESTIVE SYSTEM? IS THIS A PHYSICAL OR CHEMICAL CHANGE? They break down into sugars Chemical change
WHEN YOU KEEP A CRACKER IN YOUR MOUTH FOR 2 MINUTES IT BEGINS TO TASTE SWEET. WHY WOULD A CRACKER BEGIN TO TASTE SWEET? The starches in the sugar are broken down into sugar
YOUR STOMACH CAN BREAK PROTEINS INTO SMALLER LESS COMPLEX MOLECULES. WHAT DOES YOUR STOMACH BREAK PROTEINS INTO AND IS THIS A CHEMICAL OR PHYSICAL CHANGE? Proteins are broken down into amino acids this is a chemical change
HOW DO SIMPLE SUGARS FORM? Large carbohydrate molecules break down into small molecules of sugar
WHY DO SOME PLANTS HAVE VINES AND WHAT TYPE OF TROPISM DO THEY RESPOND TO? Vines allow a plant to wrap around items for support. Thigmotropism
WHAT ARE TWO TROPISMS THAT ARE RESPONSIBLE FOR A PLANT GROWING UP? Geotropism Phototropism
HOW DO ROOT SYSTEMS RESPOND TO GRAVITY? They grow down
WHAT IS AN EXTERNAL STIMULUS? A change in your environment that causes you to react
HOW DOES A CAT RESPOND TO RAIN? IS THIS AN INTERNAL OR EXTERNAL STIMULUS? The cat seeks shelter External
WHICH PLANT HAS MORE TURGOR PRESSURE AND HOW CAN YOU TELL? Plant A because it is full, the water is pushing the plant into an upright position. Plant A Plant B