01:03

Halley Harper, Science Girl Extraordinaire: Race to Outer Space (Book 5 SERIES FINALE)

03:32

💫Halley Harper Book 5 Read Aloud

05:54

💫Halley Harper Book 4 Read Aloud

04:10

💫Halley Harper Book 3 Read Aloud

06:17

💫Halley Harper Book 2 Read Aloud

06:01

💫Halley Harper Book 1 Read Aloud

02:42

Engineering is a Doorway

05:14

6 Words to Never Say to a Girl In STEM

03:44

"Aim to Be A Zero"

06:27

Engineering Imposter Syndrome (and what to do about it)

04:44

What I learned as a Kid I Used as an Engineer

05:51

Female Engineer? Bring your whole self.

04:12

How to Deal with Test Anxiety in Engineering

05:50

Engineer: Creative Problem Solver

05:53

Engineering = Science + Math + Grit

07:47

Mars & The Next Generation of Engineers

01:01

Halley Harper, Science Girl Extraordinaire: Nature Code Breakers (Book 4 Biology)

01:02

Halley Harper, Science Girl Extraordinaire: Secret Rock Aftershock (Book 3 Geology)

01:36

Cornucopia of Science

03:17

Why is 11 the age girls leave STEM?

01:33

Halley Harper, Science Girl Extraordinaire: The Friendship Experiment (Book 2 Chemistry)

00:13

The Coin Drop Trick

00:23

Egg Drop Experiment

00:34

Pool of Oobleck

00:35

The Friendship Experiment

06:16

A Reading of “How Many Seeds in a Pumpkin”

01:23

Harmonica Noise Maker

00:52

Allie Science Fair 2018: Flood Control

01:17

Food coloring and bleach

02:56

Cell Respiration

01:46

Circuits

00:06

Balloon Rocket

01:36

Cotton Ball Science

00:05

Earth Day Egg Experiment

04:14

Catapult

01:09

New Year Noise Maker

01:06

Halley Harper Science Girl Extraordinaire Summer Set in Motion (Book 1 Physics)

02:50

Milk Color Explosion with heat

00:19

Bubbling "Melting" Snowman..."Nooooo!"

01:49

Why did Santa needed Rudolph?

04:09

She Loves Science Catapult

02:46

Poke holes through a magic science bag

02:36

Ivory soap in the microwave for a party favor

02:01

Make your own calculator with math circuits

04:52

How to make icecream in a bag!

05:23

5 Words to Never Say to A Girl in STEM: "Don't be hard on yourself"