Scientific Investigation
what is used to learn about the natural world and solve problems
What is Scientific Investigation?
When scientists record observations and measurements
What is record keeping?
an investigation carried out under controlled conditions using variables
What is an experiment?
The repeat of an experiment with a new collection of data or observations.
What is a trial?
tool used to measure volume of irregular objects.
What is a graduated cylinder?
Every scientific investigation starts with a...
What is a question
A belief that cannot be proven.
Example: Strawberry ice cream is better than chocolate
What is an opinion?
The group in the investigation that remains unchanged.
What is a control group?
A set of collected and recorded measurements or observations
What is data?
Tool used to measure temperature of solids, liquids, and gas in Celsius or Fahrenheit.
What is a thermometer?
Name and define 1 type of scientific investigation.
1. Survey- An investigation that uses questionnaires given and answers recorded and analyzed
2. Model- an investigation that uses a picture, idea, or object that represents an object or process.
3. Experiments- an investigation that tests a hypothesis.
An idea or a conclusion based on an observation is
What is an inference?
The factor being measured in the experiment
What is a dependent variable?
The outcome of the experiment based on the data collected.
What is a conclusion?
Tool used to make observations close up with the eye alone.
What is a Hand Lens?
Getting information using your senses (see, taste, hear, touch, smell)
What is an observation?
Something that can be proven true through observations or measurements.
Example: The sun is larger than the moon
What is a fact?
things that are held constant during an experiment to make sure the experiment is fair and valid.
What are controlled variables?
The more times that an experiment is repeated and the same results obtained, the more likely the results are _________
What is Valid?
Tool used to measure force (in Newtons).
What is a spring scale?
1. Identifying a question or problem solvable by science.
2. Researching what is currently known about the question or problem.
3. Predicting a likely answer to the question or solution to the problem using info from research.
What are the steps to conduct a scientific investigation?
An observation made using a tool to collect data.
What is Measurement?
The part of the experiment that is changed, on purpose, to test its effects.
What is the independent variable?
A type of scientific investigation that uses a picture, idea, or object that represents an object or process.
What is a model?
Name 2 tools used to measure mass in grams.
Balance
Pan Balance
Double Beam Balance