Exploring the Scientific Method

Which of the following is NOT a step in the scientific method?

• Making observations

• Guessing the results without testing

• Forming a hypothesis

• Conducting an experiment

What is the dependent variable in an experiment?

• The variable that is changed by the scientist

• The variable that is measured or observed

• The variable that stays the same

• The variable that is not important

Tags

NGSS.MS-PS2-2

Which of the following best defines a hypothesis?

• A summary of the results

• A testable prediction or explanation

• A list of materials

• A graph of the data

Which method is commonly used to collect quantitative data in an experiment?

• Drawing pictures

• Taking measurements with instruments

• Writing a story

• Making a collage

Tags

NGSS.MS-PS2-2

Given the hypothesis: "If plants receive more sunlight, then they will grow taller," identify the independent variable.

• The height of the plants

• The amount of sunlight

• The type of plant

• The amount of water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student wants to test if the type of liquid affects how fast ice melts. Which of the following would be the dependent variable?

• The type of liquid

• The size of the ice cube

• The time it takes for the ice to melt

• The temperature of the room

Tags

NGSS.MS-PS3-4

Which of the following is the best example of a well-formulated hypothesis?

• Plants need water.

• If fertilizer is added to soil, then plants will grow faster.

• Plants are green.

• Water is important for life.

What is the independent variable in this graph?

• Tadpoles

• Year

• Not shown

Which is an example of Qualitative data

• A graph

• The temperature of a reaction

• The lollipop was green and yellow

What type of data is shown here?

• qualitative
• quantitative