Quizziz_Test

All the things that we MUST keep the SAME in an experiment are called the _________________. (for example: Does soil type affect plant growth? -we must keep plant type, age, amount of water, amount of sunlight, etc... the same)

• control variable

• dependent

  variable

• independent

  variable

Scientists often put their information (data) into a chart or graph. What kind of graph would show change over time in an experiment?

• pie chart

• bar graph

• plot chart

• line graph

The ________________________ is the one and only thing that we CHANGE in an experiment. For example: Does the type of soil affect plant growth? - the type of soil is the ____________

• control

  variable

• dependent

  variable

• independent variable

The _________________________ is the same thing as the result we are looking for in an investigation. Example: Does the type of soil affect plant growth? - plant growth is an example of _______)

• Control

  Variable

• dependt variable

• independent

  variable

What is a scientific investigation that tests a hypothesis?

• Repeated

  Observation

• Model

• Controlled Experiment

• Theory of science

It is SO important to repeat scientific investigations for validity (to prove it's true), and to record everything so other scientists can repeat them. When another scientist repeats and gets the same or similar results, they have ___________ the investigation.

• Repeated

• replicated

• observed

• completed

It is important for scientists to write down every step of their experiment so that other scientists can ________ it.

• Repeat/replicated

• judge

• tell about

What is an educated guess called in science?

• guess

• variable

• hypothesis

Do all scientific investigations have to be a controlled experiement?

• yes

• no

A ____________ is any factor that can change in an experiment or change the outcome of the experiment.

• hypothesis

• theory

• variable