Vocabulary
A type of data that uses numbers and values to share information.
What is quantitative data?
This is a prediction you make before your investigation begins in order to accurately measure your results.
What is a hypothesis?
On a graph, this axis represents the INDEPENDENT VARIABLE.
What is the X-Axis?
A person changes the amount of water given to plants and measures their height after three weeks. The dependent variable is ________________.
What is the height of the plant?
What we use to make observations.
What are our senses?
Steps used in Science to solve a problem.
What is the Scientific Method.
These should remain the same throughout an experiment.
What are constants?
One of these is not part of a scientific method:
Gather information. Draw conclusions. Take a vote. Analyze results. Test hypothesis.
What is take a vote?
A group of students want to know whether listening to music affects how quickly students complete a puzzle. They have one group work while listening to music, and other group work without listening to music. They measure the time it takes that students to complete the puzzle. The control group in this investigation is ________________.
What is the group that is not listening to music?
This term is used to describe the structure or design of an object or system and how it works.
What is a model?
A rule that describes the behavior of something in nature?
What is a Scientific Law?
The variable that is being measured.
What is the dependent variable?
This is usually the first step in any scientific method.
What is identify a problem or state a question?
What is fair? (or valid, reliable)
Making multiple sets of measurements or observations in a scientific investigation.
What is repetition?
Something that restricts how well a model represents reality.
What is a limitation?
This is the group in an experiment that is used for comparison.
What is the control group?
When other scientists perform the same experiment, they are _______________ it.
What is replicating?
Find the error:
A scientist tests whether different ramp heights affect how far a toy car travels. The scientist uses the same surface and starting position each time. He placed 3 different toy cars on the different ramp heights and measures how far they went.
What is using different types of toy cars?
A group tests how different amounts of fertilizer affect plant growth. After collecting measurement for four weeks, they organize the results into a graph. This step in the scientific method is called ______________.
What is analyzing data?
An explanation of why, backed by results obtained from repeated tests or experiments.
Scientific Theory
What is the amount of air pumped in?
A student notices that plants near a window seem to grow faster. She decides to investigate whether the amount of sunlight affects plant growth. The student used this skill first.
What is Observation?