Lesson 1
A ______ is a statement of what you think will happen during an investigation.
hypothesis
How many variables should be tested at one time in a scientific investigation?
one
Information from which a conclusion can be drawn or a prediction can be made are called a(n) _______.
data
facts
What do honey bees collect and use to create honey?
nectar
What is another word for hypothesis?
predict / predicting
A scientist using scientific methods would not form an _______.
opinion
What should you do to stay safe when performing science activities?
ask my teacher questions
Facts that make you believe that something is true is called ______.
evidence
Which animal is infamous for laughing?
hyena
Some you find out about objects, events, or living things using your senses is called a(n) _______.
observation
Objects or ideas that represent things are called _____.
models
A scientific conclusion is based on _____ and ______.
facts / observations
A conclusion based on evidence is called a(n) _______.
inference
Which country is known as the "Land of the Rising Sun"?
Japan
A valid scientific investigation must be able to be ____.
replicated
______ is the use of scientific methods to test your hypothesis.
Experiment
When measurement are consistently repeated is called ______.
precision
Step-by-step instructions for completing a task are called _______.
procedures
How many taste buds does an average human have?
10,000
* Suppose you want to perform a scientific investigation to find out how high a ball bounces on different kinds of surfaces. What are appropriate materials to reference before beginning your investigation?
Appropriate reference materials are materials reviewed and verified by other scientist. Examples of appropriate reference materials include books, scientific journals, articles written by other scientists, and reliable Internet sites.
* Why should scientist base their investigations on observations and data instead of opinions?
Observations and data are the same no matter who perform the investigation. However, opinions are based on beliefs and can vary from person to person.
When measurements are close to a known measurement is called ______.
accuracy
An ______ is information you can see or measure and an ______ is a conclusion based on observations.
observation / inference
What is the largest type of bear?
Polar Bear