70 likes | 180 Views
LIFEBOAT INVESTIGATION. CAPACITY. KEY CONCEPTS. VARIABLE. CAPACITY. CAPACITY IS THE MAXIMUM VOLUME OF FLUID A CONTAINER CAN HOLD. A VARIABLE IS ANYTHING THAT YOU CAN CHANGE IN AN EXPERIMENT THAT MIGHT AFFECT THE OUTCOME. KEY CONCEPTS.
E N D
LIFEBOAT INVESTIGATION • CAPACITY
KEY CONCEPTS VARIABLE CAPACITY CAPACITY IS THE MAXIMUM VOLUME OF FLUID A CONTAINER CAN HOLD • A VARIABLE IS ANYTHING THAT YOU CAN CHANGE IN AN EXPERIMENT THAT MIGHT AFFECT THE OUTCOME
KEY CONCEPTS • THE NUMBER OF PASSENGERS A BOAT CAN HOLD IS AFFECTED BY VARIABLES SUCH AS PLACEMENT, WATER MOVEMENT AND BOAT SIZE
KEY CONCEPTS • ONLY ONE VARIABLE CAN CHANGE IN A CONTROLLED EXPERIMENT, SO NEED A STANDARD BOAT LOADING METHOD. • PLACE PENNIES GENTLY • PLACE PENNIES EVENLY • DON’T SHAKE THE BASIN • DRY PENNIES
KEY CONCEPTS INDEPENDENT VARIABLE DEPENDENT VARIABLE WHAT YOU FIND OUT BY DOING THE EXPERIMENT IS THE DEPENDENT VARIABLE, ON THE Y AXIS. THE NUMBER OF PASSENGERS THE BOAT CAN HOLD • WHAT IKNOWBEFORE THE EXPERIMENT STARTS IS THE INDEPENDENT VARIABLE, ON THE X AXIS • BOAT CAPACITY (SIZE)
KEY CONCEPTS • A TWO-COORDINATE GRAPH DISPLAYS THE RELATIONSHIP BETWEEN THE INDEPENDENT AND DEPENDENT VARIABLES IN AN EXPERIMENT. • THE GREATER THE CAPACITY, THE MORE PASSENGERS A BOAT CAN HOLD.
KEY CONCEPTS • TWO-COORDINATE GRAPHS CAN BE USED TO PREDICT EVENTS. • THE LINE DRAWN THROUGH A CLUSTER OF DATA POINTS IS CALLED A TREND LINE.