Scientific Method Jeopardy

DefinitionsMethodVariables? Other ?

Define: Hypothesis Answer

A proposed explanation to the scientific question Home

Define: Manipulated Variable Answer

The variable that is changed in the experiment Home

Define: Responding Variable Answer

The variable that may change in response to the manipulated variable Home

Define: Controlled Variables Answer

The variables that are purposefully kept the same throughout the experiment Home

Define: Operational Definition Answer

A statement that describes how you are going to measure a variable Home

Place topics (below) in order: Hypothesis, Question, Observation Answer

Observation, Question, Hypothesis Home

True or False: It is okay to fix the hypothesis after the data has been taken Answer

False Home

True or False: It is okay to come up with a new question/experiment after taking data Answer

True Home

After scientists complete their experiment, they should always… Answer

Repeat it and Communicate their results Home

A good experiment should raise more _________ than it answers Answer

Questions Home

Will using Rogaine shampoo daily (for one month), increase hair growth in 30 year old men? What is the manipulated variable in this experiment? Answer

The use of Rogaine shampoo Home

Will increased phosphate levels in ponds effect the amount of dissolved oxygen in the water? What is the responding variable in this experiment? Answer

The amount of dissolved oxygen in the pond Home

What is the effect of water temperature on the time it takes shrimp eggs to hatch? Identify 2 controlled variables in this experiment Answer

Date eggs were fertilized Parents of eggs Water quality Amount of eggs in tank Tank environment Home

Does adding aspirin to the water of fresh-cut flowers make them last longer? Identify 3 controlled variables Answer

Type of flower Age of flower Time flowers were cut Where flowers were cut Water quality Amount of water Amount of sunshine Home

Does Duracell or Energizer batteries last longer in a flashlight? Identify both the manipulated and responding variables. Answer

Manipulated: Type of battery in flashlight Responding: Time until controller dies Home

Suzie is investigating if temperature effects the growth rate of goldfish. She places 3 goldfish (all the same age but different species) in 3 different temperature tanks and decides to track their growth weekly for the next year. What did she do wrong in this experiment? Answer

She did not control the species of the fish Home

Does adding aspirin to the water of fresh-cut flowers make them last longer? Write a hypothesis in theIf..then…because… format Answer

If we add aspirin to the water of fresh-cut flowers, then they will last longer because they will have nutrients to grow. Home

Royce noticed that he does better on tests when he gets a full 8 hours of sleep the night before. He wondered if the amount of sleep obtained the night before effects test scores. What steps of the scientific method did Royce complete? Answer

Observation and Question Home

Does the height of the ramp effect the speed of the toy car rolling down it? Write a hypothesis in theIf…then…because… format Answer

If the height of the ramp is increased then the speed of the toy car will increase because it will start with more potential energy. Home

Make your own scientific question! Identify the manipulated and responding variables! Answer

??? Home