Elementary Science
Elementary science courses and quizzes for grades 3, 4, and 5, with student-friendly lessons and practice questions.
Grade levels
Science by grade
Choose a grade level to find related science courses and quizzes.
Middle School Science
Middle school science courses and quizzes with approachable practice in space, water, matter, energy, ecosystems, and Earth science.
Grade 3 Science
Grade 3 science courses about forces, ecosystems, life cycles, traits, weather, and climate.
Grade 4 Science
Grade 4 science courses about energy, waves, animal senses, information, and Earth changes.
Grade 5 Science
Grade 5 science courses about matter, ecosystems, Earth systems, stars, and the solar system.