Skip to main content
Search for anything
Bookstore
Log In
Join
Menu
Menu
Search
Join
Back
Resources
Publications
Bookstore
Conferences & Events
Professional Learning
Membership
Science Standards
Awards & Competitions
Donate
Back
by Topic
by Level
by Type
Daily Do Lesson Plans
Free Resources
Blog
American Rescue Plan
For Preservice Teachers
NSTA Career Center
Back
Journals
Books
Interactive eBooks+
e-Newsletters
Back
Bestselling Books
Latest Books
NSTA Kids
Popular Book Series
Prospective Authors
Gift Cards
Back
Calendar
Web Seminars
Exhibits & Sponsorship
National Conference • Houston 22
Back
Latest Resources
Professional Learning Units
Web Seminars
For Districts
Online Course Providers
Back
Join Today
Schools & Districts
College Professors & Students
Corporate
Back
The Standards
Teachers and Admin
Parents
Back
Shell Science Lab Regional Challenge
eCYBERMISSION
Toshiba/NSTA ExploraVision
Junior Science & Humanities Symposium
Teaching Awards
Back
Biology
Chemistry
Climate Change
Earth & Space Science
Evolution
NGSS
New Science Teachers
Physics
STEM
view all
Back
Early Childhood
Elementary
Middle School
High School
Postsecondary
Informal Education
Back
Books
Journal Articles
Lesson Plans
Blog Posts
Interactive eBooks+
Playlists
Podcasts
e-newsletters
Back
Science & Children
Science Scope
The Science Teacher
Journal of College Sci. Teaching
Connected Science Learning
Back
Bestselling Books
Latest Books
NSTA Kids
Popular Book Series
Prospective Authors
Back
NSTA Reports
Book Beat
Next-Gen Navigator
STEM Classroom
Back
Upcoming
Archives
Science Update
Teacher Tip Tuesday
Trans. Sci. Learning
Back
Corporate Members
Back
Elementary
Middle School
High School
MyNSTA Community
My Library
My Collections
Forums
Peers
Cohorts
My Account
Blowing Up Demos
Breadcrumb
NSTA
Science Scope
Science Scope—September 2019
Blowing Up Demos
Science Scope—September 2019
Share
Download PDF
Start a Discussion
Making demos more effective
You may also like
Journal Article
Exploring Deep Space—Galaxies!
Journal Article
The Woodpecker Cavity Cam Project
Journal Article
Using Key Features to Analyze and Modify Curriculum for the NGSS
Journal Article
What is a Variable?
Asset 2
Join