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100
Science can help
save lives, give resources, protect people
100
List the steps of the Scientific Method
1. Ask question. 2. Make hypothesis. 3. Test it. 4. Conclude it
100
How many variables can be tested at once?
One variable
100
Name 2 types of directions
Spoken and written
100
What is the Scientific Method?
Series of steps followed to solve problems
200
What is the difference between hypothesis and a guess?
Hypothesis must be testable. Guess does not have to be of prior knowledge.
200
The ______ is the condition being tested
variable
200
Accurate _____________ are always important
measurements
200
Name and give examples of 3 types of models?
Physical - building. Mathematical - equation. Concept - solar system
200
What is the difference between a fact and an opinion?
Fact - based on research. Opinion - own belief
300
Investigation means using what 3 things?
Research, observation, experimentation
300
Scientific knowledge is built as scientists ________ and _______ scientific hypothesis, models, _______ and laws
form, revise, theory
300
A ___________ relies on _________ not __________
scientist, facts, comparisons
300
Sometimes it's easier to use ________ or _________ when writing directions
pictures, diagram
300
What is the the difference between bias and objective?
Bias - based on preference or opinion. Objective - based on a fact
400
What happens after a hypothesis is tested?
analyze data, write conclusions
400
Name 2 groups in the Scientific Method process?
Controlled, experimental
400
What is the final step of the Scientific method?
conclusion and communicating results
400
What items are needed to perform an experiment?
method, materials
400
What is control?
The part that does not change
500
Why is communicating results helpful to others?
It allows others to check the results
500
All results should be __________ and __________.
observed, recorded
500
What is the difference between a theory and a law?
Law had already been tested and confirmed. Theory is based off of facts.
500
What is a variable?
a factor that changes or is controlled
500
Explain the difference between dependent and independent?
Dependent - stays constant. Independent - moves around, does not stay in one place.
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