Question | Answer |
Anything in an experiment you can change that might affect the outcome | Variable |
Variable that is changed my the experimenter | Independent Variable |
Variable that will change due to the independent variable being changed. It is the one you measure to get your results | Dependent Variable |
Variable that is not changed | Constant Variable |
An experiment in which one variable is changed and compared to a standard | Controlled Experiment |
Basic procedure used in a controlled experiment before you change any variables | Standard |
The maximum amount that something can contain | Capacity |
Amount of matter that will fit in a given space | Density |
Used water displacement to reveal the characteristics of an object | Archimedes |
First to propose that pendulums could be used as time-keepers | Galileo |
invented the first airplane | the Wright Brothers |
First black woman to receive her pilot licence | Bessie Coleman |
First pilot to break the sound barrier | Chuck Yeager |
List the steps of the scientific method | Ask a question Form a hypothesis Experiment Analyse and Draw conclusions |
What can a person do to get more accurate results in an experiment | More trials Use smaller measurement units and Control all variables you are not testing. |
Which variables were tested in the pendulum system | height, length and weight |
What is the relationship between the length of the string and the number of cycles of the pendulum system | the shorter the string the more it will swing.(Vice-Versa) |
Which variables affected the number of passengers needed to sin the boat in the lifeboat experiment. | Size of the boat, placement of pennies and condition of water |
What is the relationship between the capacity of the boat and number of passengers it can hold | the bigger the boat the more pennies it can hold (Vice-Versa) |
What is the relationship between the mass of a plane and the distance it could fly | the more the mass the shorter distance it will travel (Vice-Versa) |
Explain what determines whether an object will sink or float | if in object is denser than water it will sink |
What is the relationship between the number of winds of a propeller and the distance it can fly | the less the winds the less distance it travels |
What is the What variables affected the distance the FOSS plane could fly | weight and number of winds |
Explain the purpose of a two inordinate graph | it allows you to make predictions about future trials and it organizes data |
What are the different variables in the kicking experiment? | types of balls, starting position of the ball, and number of steps before kick |
What variables did the boys control | starting position of the ball |
What should be changed to better determine who kicks the ball farthest | use the same ball and the number of steps before the kick should be the same |
Describe two ways Christian can improve his flower experiment | use different amount of light and use same type of flower |