Science Notes
Variables Defined
Scientists, Engineers, or both?
Identify Variables
Vocabulary
Random
100

The scientific method always starts with a ______________

question 

100

The variables that are kept the same in an experiment are called ________

constants

100

Research before starting their work 

both

100

What is the independent variable for the hypothesis:

If teenagers sleep more than 10 hours a night, then their grades will improve.

 teenagers sleep more than 10 hours a night

100
What is the name of the first design (working model) in the engineering design process?

prototype

100

What is on the roof of Discovery Middle School?

What is a swimming pool? 

200

The result of the scientific method is __________

knowledge OR answers OR data

200

The variables the scientist changes on purpose are called ____________. 

Independent

200

Develop explanations about the natural world

Scientists

200

A student wants to test how the amount of sunlight affects plant growth.
👉 What is the independent variable?

What is the amount of sunlight? 
200

The practice of asking questions and developing explanations about the natural world is the definition of ___________. 


Science 

200

This planet has a giant red spot and is the largest in our solar system.

What is Jupiter? 

300

What is the structure (sentence frame) for a solid hypothesis?

If ________, then ___________ because _______. 

300

The variables that are being measured are called the ____________________. 

Dependent Variables

300

Design technology to help with problems

Engineers

300

A scientist changes the temperature of water to see how fast sugar dissolves.
👉 What is the dependent variable?

What is the time it takes for sugar to dissolve? 

300

The limits or rules you follow in a project. 

What are the constraints? 

300

Which bin does the following item go in? 

Trash  - it's a clamshell 

400

What's the #1 thing a graph needs from your notes? 

What is a meaningful title? 

400

A trial where nothing is changed.  You collect data without changing the independent variable in order to make a comparison.  

What is the controlled trial? 

400

Brainstorm solutions to problems

Engineers

400

A teacher gives students different types of music to listen to while studying, then measures their test scores.
👉 What is the independent variable?

What is the type of music? 

400

A plan or drawing showing how something will be built. 

What is a design? 

400

In Minecraft, this green creature explodes when it gets close to you.

What is a creeper? 

500

Every graph needs x and y-axis ___________ that descibe what numbers on the axis represent.  

What are labels?  

500

Which variable is your data? 

What is the dependent variable? 
500

Collaborate with colleagues and work together 

Both

500

An experiment tests how the amount of sleep affects reaction time in a video game.
👉 What is the dependent variable?

What is the reaction time? 

500

The first tower you built in the tower build challange was an example of what? 

What is a prototype? 

500

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

What is an echo? 

600

What is the average of the following number set? 

9. 6. 7. 4.  19.

What is 9?

600

In the paper plane experiment, what variable was the number of paperclips? 

The independent variable.  

600
Are held back by constraints/restrictions 

both 

600

Researchers give athletes different types of sports drinks and record how long they can run before getting tired.
👉 What is the dependent variable?

What is time athletes can run before getting tired? 

600
What is a trade-off? 
One thing gets worse, and another thing gets better.  
600

This mammal is known to be the only one capable of true flight.

What is a bat? 

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