Science Test 1 P7

What does the branch of physical science study?

They study matter, and physical science

What does the branch of Earth science study?

They study Earth; soil, rocks, etc.

What does the branch of life science study?

They study biology.

What is a independent variable?

The independent variable is the one that is changed.

What is a controlled variable?

Something that is kept constant

What is a dependent variable?

Something that is measured.

What is a control GROUP?

Set of subjects that doesn’t get the test condition and stays the same,

What is an experimental GROUP?

Experimental group is a set of subjects that gets the test condition.

What is the first step of the scientific method?

Make an observation

What are the 6 steps of the scientific method?

1. Make an observation. 2. Ask a question. 3. Develop a hypothesis. 4. Analyze results. 5. Draw conclusions. 6. Communicate results

What is the scientific method?

A process that involves a series of steps that are used to investigate the world around us.

What is an inference?

An educated guess, idea, or prediction based on observations go beyond what’s observed

What is a quantitative observation?

Observation that use numbers. (Ex. the tree is 10 ft tall.)

What is a qualitative observation?

Observations that describe the quality of something. (Ex. The tree is green, the bark is rough.)

What is a hypothesis?

A hypothesis is a possible answer a scientific question.

-Prediction based on your observations and questions about your observations

-Testable, a hypothesis must be able to be tested, something that could be right or wrong though experiments.

-Written with “if/then”

What is the scientific theory

Comparing what you already know, to see if you agree

What is the scientific law?

The scientific law is a rule that describes a pattern in nature.