1.1 Nature of Science

Science is defined as

Select all that apply.

• the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.

• the study of the nature and behavior of natural things and the knowledge that we obtain about them

• knowledge about or study of the natural world based on facts learned through experiments and observation

• A study of the natural world based in experimentation and thus, supported by evidence.

• a particular way of knowing about the world

Tags

NGSS.HS-LS2-6

Which of the following hypotheses is written in the correct format?

• If salt is added to water, then the boiling point of water will decrease.

• I think the amount of sleep will affect how a student does on a test.

• If the amount of sand in the soil is changed, then it will affect how the plant grows.

• If the student does better on the test, the amount of time they studied might have an affect.

Tags

NGSS.HS-PS1-2

Which of the following hypotheses is written correctly?

• I think that a good breakfast will help you stay focused longer.

• If a student's breakfast is eggs, then they will be able to stay focused longer.

• If your breakfast is changed, then one will help you stay focused longer.

• If you focus longer, your breakfast might have an affect.

When writing a hypothesis, which variable comes after the word IF

• Independent Variable

• Dependent Variabel

• Control Variable

Tags

NGSS.MS-PS2-2

When writing a hypothesis, which variable comes after the word THEN

• Independent Variable

• Dependent Variable

• Control Variable

A testable prediction based on observations that describes a cause and effect relationship between variables is known as a

• Fact

• Principle

• Hypothesis

• Theory

Tags

NGSS.HS-PS1-2

Which of the following is NOT true about the independent variable?

• it is the variable that is deliberately changed

• it is also referred to as the manipulated variable

• it is usually found on the X-axis

• it is usually represented by data you collect in an investigation

Which of the following is true about the dependent variable?

• it is the variable that is measured by the investigator

• it is also referred to as the responding variable

• it is often found on the Y-axis of the graph

• all of the choices are true about dependent variables

A description of something you can gather by using your five senses is called

• Fact

• Observation

• Inference

• Hypothesis

Tags

NGSS.MS-LS1-8

Using the picture, decide if the statement is an example of an observation or inference.

The girl has blonde hair.

• Inference

• Observation