3

Magnetism

2

The Friend Magnet

3

Physics

3

The Earth

2

Who's My Mom?

3

The Universe

4

Visual Arts & Artists

4

Jewels, Gemstones, and Birthstones

3

Senses

3

Solar Eclipse

4

Things to Do in Central Park

4

Extreme Earth

3

Meteorites, Meteoroids, and Meteors

2

Frozen Ground! Tundra

2

Monster Alphabet

4

Aquatic

3

Puppet Power!

4

Maddy's Connecticut Diary

3

Energy

4

Dr. Why-Physics

4

How they Work? Trains

3

Asteroids

2

Four Seasons! Deciduous Forest

3

Friction

4

Maddy's North Carolina Diary

4

Musical Instruments

3

Amerigo Vespucci

4

Money

4

How they work? Rockets

1

Kip and Ned at Bat