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Unit 1 Review
Scientific Investigations
Question | Answer |
---|---|
What is another word for an independent variable? | Manipulated Variable |
What type of observation uses data and numbers? | Quantitative Observation |
In a scientific experiment, what is the untested group used for comparison? | Control Group |
What is another word for the Dependent Variable? | Responding Variable |
What do we call the variables in an experiment we keep the same to keep our results fair and valid? | Constants/Controlled |
What type of observation uses at least 1 of the 5 senses? | Qualitative Observation |
A logical conclusion a scientist makes using prior knowledge is called an... | Inference |
Steve wants to see which brand of dog food his dog, Shadow likes the best. What is the manipulated variable in this situation? | The brand of dog food |
Ryland measured the distance the car traveled and got 6 feet. What type of observation would this be? | Quantitative Observation |
Londyn described Mr. Potato Head's nose as round, red, and shiny. What type of observations did Londyn make? | Qualitative Observations |
It must be the weekend because there are no kids in school. Is this an observation or inference? | Inference |
The liquid inside the container is clear so it must be water. Is this an observation or an inference? | Inference |
The car traveled 36cm. Is this an observation or inference? | Observation |
The black feathers belong to a crow. Is this an observation or inference? | Inference |
This black object has rounded corners. Is this an observation or inference? | Observation |
Joey carried out an investigation to see if the height of a person was related to how fast they could run. What is the independent variable in this experiment? | height of the person |
Joey carried out an investigation to see if the height of a person was related to how fast they could run. What is the responding variable in this experiment? | how fast they can run |
What brand of soil will grow the best tomato plants? What's the manipulated variable in this experimental question? | brand of soil |
What brand of soil will grow the best tomato plants? What's the responding variable in this experimental question? | height of the tomato plants |
A possible answer to a scientific investigation a scientist makes before conducting the experiment is called what? | hypothesis |
You're trying to figure out what type of phone battery will last longer. What is the dependent variable? | length of time the battery lasts |
How many variables should you test (manipulate) in an investigation? | one |
You are wondering if lemon juice, ketchup or vinegar will clean a dirty penny better. What is the independent variable? | types of material |
Mr. Gildea bought six lottery tickets on Sunday and quit teaching on Monday. He must have hit the lottery. Is this an observation or inference? | Inference |
The weight of the green frog is 23g. What type of observation is this? | Quantitative Observation |