Unit 1.3- Scientific Thinking Reading

Fill in the Blanks

Complete the sentence.

A good hypothesis gives a

explanation that can be explored through experiments.

Open Ended

What is the difference between an observation and an inference?

Multiple Select

Plant A was given 2 grams of fertilizer each week. It's tomatoes were the brightest red color. It grew 4 meters high. Plant A was in a blue pot.

Select the quantitative data.

• 2 grams of fertilizer

• brightest red color

• 4 meters

• blue pot

Multiple Choice

You use __________ when you draw conclusions and when recording data from your experiments.

• evidence

• comparisons

• variables

• numbers

Multiple Choice

In the bubble lab, you recorded the diameter of each bubble.  This was an example of .......

• hypothesis
• prediction
• data
• qualitative observation

Open Ended

SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Flower Power fertilizer to see if will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He places one plant in a sunny window and waters it every day with fertilized water. He places the other plant on a shelf in a closet and waters it with plain water every other day.

What did SpongeBob do wrong in this experiment?

Fill in the Blanks

In experimental design, you shouldhave _________ variable, which is the variable you are testing, and the ___________ variable which is the thing you are measuring.

Multiple Choice

Does the size of deer effect the size of its heart?
What is the IV?

• Size of Deer
• Gender of Deer
• Size of its heart
• Age of deer, gender, and height

Multiple Choice

Students used various temperatures of water to see which one dissolved candy faster. 
What was the Independent Variable?

• Amount of Candy
• Amount of Water
• Temperature of Water
• Time for Candy to Dissolve

Multiple Choice

In this graph, what is the dependent variable? 

• Walla Walla Island
• Time
• Number of Deer

Open Ended

List three ways that scientists can communicate scientific information?

Open Ended

What is the difference between a scientific theory and a hypothesis?

Multiple Choice

An explanation that ties together many hypotheses and explanations is called a(n)

• model
• concept
• theory
• investigation

Multiple Choice

Many hypotheses are tested and scientist come up with an explanation based on these hypotheses.

• Fact
• Thoery
• Law
• Hypotheses

Multiple Choice

How is a hypothesis different from a theory?

• A theory has evidence to back it up and a hypothesis is an educated guess as to what is going to happen.

• They are both the same. They both are guesses as to what happens in the natural world.

• A theory is an opinion about how something works but a hypothesis has scientific evidence to support it.

• A hypothesis is used in science and a theory is used in society.