NASA
JPL Home
California Institute of Technology
JPL Home
Earth
Solar System
Stars & Galaxies
Science & Tech
Latest News
Blog
Media Room
Press Kits
Fact Sheets
Profiles
Social Media
Current
Past
Future
Proposed
All
JPL Space Images
Infographics
Wallpaper
Photojournal
NASA Images
JPL on Flickr
Mobile Apps
Videos
Podcasts
Interactives
Audio
Education Home
Students
Teachers
Internships & Fellowships
Higher
Education
Informal
Education
Video & Features
Fun Stuff & Games
Tours
Lecture Series
Speakers Bureau
Open House
Team Competitions
Career Launch
Find Your Place
at JPL
Internships & Fellowships
Students at JPL
Postdocs
College Grads
From the Director
Caltech
Executive
Council
History & Archives
Annual Reports
Doing Business
Site Awards
Directions
Home
Students
Games & Activities
Space Topics
Homework Help
Meet JPL Interns
Career Guidance
Team Competitions
Student Projects Showcase
Teachers
Teacher Resources
In-Depth Projects
Classroom Activities
Professional Development
Educator Resource Center
Internships & Fellowships
Higher Education
Informal Education
For Museum Professionals & Group Leaders
Public Involvement & Activities
Resources
Afterschool Activities
Summer Activities & Learning
Video & Features
Calendar
Home
Students
Overview
Games & Activities
Space Topics
Homework Help
Meet JPL Interns
Career Guidance
Team Competitions
Student Projects Showcase
Teachers
Overview
Teacher Resources
In-Depth Projects
Classroom Activities
Professional Development
Educator Resource Center
Tours of JPL
Internships & Fellowships
Programs
Higher Education
Overview
Internships & Fellowships
Current Opportunities
Meet JPL Interns
Informal Education
Overview
For Museum Professionals & Group Leaders
Public Involvement & Activities
Resources
Afterschool Activities
Summer Activities & Learning
Tours of JPL
Video & Features
Video
Features
About Us
Calendar
Now Playing: Step 2: Ask a Testable Question
Students develop their ideas into testable questions that follow the format, 'How does INPUT affect OUTPUT?'
› NEXT: Step 3: Design and Conduct Your Experiment
› Download street scene
Viewing Options:
current movie size:
70 mb | 640 x 360
› download
› captioned video
viewing options:
High Definition (HD)
450.4 mb | 1280 x 720
› play
› download
Standard Podcast
47 mb | 640 x 360
› download
› transcript
HD Podcast
139.8 mb | 1280 x 720
› download
