Scientific Investigations
Scientific investigations begin with...
What is a testable question?
Dispenses small amounts of liquid
What is a dropper?
Object or ideas that represent other things
What are models?
Something that can change in a test
What is a variable?
The use of scientific methods to test your hypothesis
What is experiment?
Scientists use these to test things that might be too expensive or difficult to test using the real item.
What is a model?
Protects your eyes
What are safety goggles?
The ability to consistently repeat a measurement
What is precision?
How many variables should be tested at one time in a scientific investigation?
What is one?
Information from which a conclusion can be drawn or a prediction can be made
What is data?
What is increase the reliability of their results?
Measures length up to 100 cm
What is a meter stick?
A statement of what you think will happen during an investigation
What is hypothesis?
The thing that stays the same
What is the control?
A standard against which change is measured
What is control group?
Sarah want to know which birds live in her neighborhood. What skill will she use to find out which birds live near her?
What is observation?
Measures force
What is a spring scale?
Step by step instructions for completing a task
What are procedures?
The thing you change in your experiment
What is the independent variable?
A conclusion based on observations
What is an inference?
In science, we gather information by using our senses by watching, listening, smelling, and touching.
What is making observations?
Measures the volume of liquids - tall and narrow with a base
What is a graduated cylinder?
The ability to make a measurement that is as close to the actual value as possible
What is accuracy?
What happened in your experiment - what we measure
A set of observations that make you believe that something is true
What is evidence?