Scientific Investigations
The factor that is deliberately manipulated in a scientific investigation.
What is an independent variable?
The first step in the engineering design process.
What is define the problem?
The facts, figures, and other evidence scientists gather when they conduct an investigation.
What is data?
Phrase that best defines science.
What is systematic study of natural events and conditions?
The phrase that best defines a theory.
What is an explanation in science that has a lot of evidence to back it up?
Factor that changes as a result of manipulation of one or more independent variables.
What is a dependent variable?
When designing technology, designers must consider factors that limit the design.
What is constraints?
Used to display and compare data in a number of separate categories.
What is a bar graph?
This title should be classified as pseudoscience.
- Is Life Possible on Mars?
- Aliens Built the Pyramids!
What is Aliens Built the Pyramids?
The phrase that best describes a hypothesis.
What is a proposed explanation that can be tested?
Scientific investigations include many different steps. After ______ in a scientific investigation a scientist will use results to reject an existing hypothesis and form a new hypothesis.
What is analyze data?
To make a working model of a solar-powered car, the design team first determined which material have previously been used to create similar models. The team used this engineering skill.
What is research skills?
Used to show how each group of data relates to all of the data.
What is a circle graph/pie chart?
A good source of scientific knowledge when evaluating evidence.
What is a peer-reviewed article written on the subject?
Area of science and technology that involves studying plants and is used in food, cosmetics, and household products.
What is agriculture?
___________ limits what scientists can study in their work.
What is they can study only phenomena they can observe or model?
Rosa made a chart when she was studying the time for temperature to increase by 10 degrees in hours for plastic foam and ceramic. This information could be useful for __________________.
- Deciding on material for improved building insulation
- Deciding on stronger street-paving materials
What is deciding on material for improves building insulation?
Relationship between the two variables studied in the experiment.
What is a trend?
The phrase that best defines pseudoscience.
What is a belief or practice that is based on incorrectly applied scientific methods?
The purpose of repeating trials after reaching a conclusion in an investigation.
What is to repeat experiments and verify results?
Scientists heated a material to 300 degrees Celsius and then put it an an environment that was 10 degrees Celsius. The control variable is ___________ and the variable that depends on the control variable ___________.
What is temperature and time?
The engineering design process is _____________.
What is fluid?
A representation of an object or a process that allows scientists to study something in greater detail.
What is a model?
Personal trait that stimulates scientists to develop questions about the natural world.
What is curiosity?
Device that has the ability to allow people to conserve natural resources.
Double Jeopardy: Identify how this device has led to this ability.
What is a windmill?
Double Jeopardy: What is a windmill uses a renewable resource instead of using fossil fuels (a nonrenewable resource)?