2

The Friend Magnet

3

Magnetism

2

The Friend Magnet

4

Maddy's North Carolina Diary

3

Solar Eclipse

1

Kip and Ned at Bat

3

Energy

3

Team Sports

4

Chip's Tips on Rwanda

3

Physics

4

Money

4

Desert

4

Maddy's Louisiana Diary

3

Puppet Power!

4

Maddy's Rhode Island Diary

3

Anne Frank

4

Chip's Tips on South Africa

2

Snow and Ice! Polar

3

Gravity

4

Tundra

4

Musical Instruments

4

Dr. Why-Physics

4

Jewels, Gemstones, and Birthstones

3

Light

3

Mars

4

How they work? Rockets

4

Maddy's Texas Diary

3

Neil Armstrong

2

Country Flags of Europe

4

Extreme Earth