https://www.khanacademy.org/ela/4th-grade-reading-and-vocab/xe0e52cf20ce2546d:vocabulary-4th/xe0e52cf20ce2546d:4th-grade-vocabulary-words-list-2/a/vocabulary-list-2-4th 2026-05-21T11:40:40.471298507Z Vocabulary list 2 Learn these important words that you'll see in 4th grade texts. article https://www.khanacademy.org/ela/4th-grade-reading-and-vocab/xe0e52cf20ce2546d:vocabulary-4th/xe0e52cf20ce2546d:4th-grade-vocabulary-words-list-2/v/experiment-inventor-discovery-vocabulary 2026-05-21T11:40:40.471298507Z Experiment, Invention, Discovery | Vocabulary Let's learn about the words “experiment,” “invention,” and “discovery.” I'll go through what they mean and how to use them! David Rheinstrom video https://cdn.kastatic.org/ka_thumbnails_cache/bbfb5a8f-be85-43e8-96b2-523687d9f7b2_1280_720_base.png Experiment, Invention, Discovery | Vocabulary Let's learn about the words “experiment,” “invention,” and “discovery.” I'll go through what they mean and how to use them! https://cdn.kastatic.org/ka-youtube-converted/UXB3y4iSHa4.mp4/UXB3y4iSHa4.mp4 208 4th grade vocabulary words | List 2 https://www.khanacademy.org/ela/4th-grade-reading-and-vocab/xe0e52cf20ce2546d:vocabulary-4th/xe0e52cf20ce2546d:4th-grade-vocabulary-words-list-2/v/engineer-device-vocabulary 2025-06-11T18:18:08.087018805Z Engineer, Device | Vocabulary Let's learn about the words "engineer" and "device." I'll go through what they mean and how to use them! David Rheinstrom video https://cdn.kastatic.org/ka_thumbnails_cache/2e09d868-80dd-4c35-882b-dde2bc927106_1280_720_base.png Engineer, Device | Vocabulary Let's learn about the words "engineer" and "device." I'll go through what they mean and how to use them! https://cdn.kastatic.org/ka-youtube-converted/anJfLldaR3w.mp4/anJfLldaR3w.mp4 179 4th grade vocabulary words | List 2 https://www.khanacademy.org/ela/4th-grade-reading-and-vocab/xe0e52cf20ce2546d:vocabulary-4th/xe0e52cf20ce2546d:4th-grade-vocabulary-words-list-2/v/research-solution-recognize-vocabulary 2025-06-11T18:18:08.087018805Z Research, Solution, Recognize | Vocabulary Let's learn about the words “research,” “solution,” and “recognize.” I'll go through what they mean and how to use them! David Rheinstrom video https://cdn.kastatic.org/ka_thumbnails_cache/50db0ba2-f50c-41bd-8e39-c07e1236e3db_1280_720_base.png Research, Solution, Recognize | Vocabulary Let's learn about the words “research,” “solution,” and “recognize.” I'll go through what they mean and how to use them! https://cdn.kastatic.org/ka-youtube-converted/EK0LqZ1SK_g.mp4/EK0LqZ1SK_g.mp4 217 4th grade vocabulary words | List 2 https://www.khanacademy.org/ela/4th-grade-reading-and-vocab/xe0e52cf20ce2546d:vocabulary-4th/xe0e52cf20ce2546d:4th-grade-vocabulary-words-list-2/e/inventors-and-inventions-unit-3-vocab-quiz-4 2026-05-21T11:40:40.471298507Z List 2 vocab quiz Test your understanding of 4th grade vocabulary words. Heather M. Meston exercise