Scientific Investigations

What is an observation?

• Using your sight to gather information.

• Using your imagination to gather information.

• Using all your senses to gather information.

What is the scientific method? Check all that apply.

• It is a process that is used to answer questions about the world.

• The steps we follow when conducting an experiment.

• The method used by scientists.

What is a testable question? Check all that apply.

• It's the real-world challenge you are trying to solve through your scientific investigation.

• It's the question we are trying to answer through our experiment.

• It's the question that the teacher gives us in a test.

In a lab report we write a sentence that uses this frame:

If I (what will you do/change) then (what will happen/you will observe) because (scientific reason).

This sentence is called the...

• Purpose

• Hypothesis

• Background

• Variables

Variables are...

• Anything that can change in an experiment.

• Anything that can be changed in an experiment.

• Anything that can change or be changed in an experiment.

The independent variable is...

• The part of the experiment that we measure.

• The part of the experiment that we keep the same on purpose.

• The part of the experiment that is being changed or manipulated to see if it has an effect.

A dependent variable is...

• The part of the experiment that you measure.

• The part of the experiment that is being changed or manipulated to see if it has an effect.

• The parts of the experiment that you keep the same on purpose.

A controlled variable is...

• The part of the experiment that is being changed or manipulated to see if it has an effect.

• The part of the experiment that you keep the same on purpose.

• The part of the experiment that you measure.

The x-axis on a graph is...

• The horizontal line on a graph (independent variable).

• The vertical line on a graph (dependent variable).

The y-axis on a graph is...

• The horizontal line on a graph (independent variable).

• The vertical line on a graph (dependent variable).