30 Brilliant 4th Grade Trivia Questions and Answers

Reviewed by Stefanie Zaldarriaga, Author·Updated Aug 2025·4 min read

Challenge young learners with this fun and educational set of 4th Grade Trivia! Covering subjects like math, science, history, geography, and language arts, these questions are perfect for students, teachers, and parents looking to make learning interactive. Whether for classrooms, family game nights, or study practice, this trivia makes education exciting and engaging.

1Who is credited with discovering electricity by experimenting with a kite and key?
2Which form of electricity makes your hair stand up when you rub a balloon on your head?
3What is the largest animal in the world?
4Which ocean is the largest on Earth?
5Which dinosaur had a distinctive 15-horned skull?
6What is the deepest part of the ocean?
7What is the smallest bird in the world?
8Which river is considered the longest in the world?
9What is the largest organ in the human body?
10What gives emeralds their green color?
11What is the only planet in our solar system known to support life?
12What fraction is equal to 0.5?
13Who wrote the famous book Charlotte’s Web?
14What is the capital of the United States?
15How many continents are there on Earth?
16Which famous American gave the Gettysburg Address?
17What is H2O more commonly known as?
18What type of galaxy is the Milky Way?
19What is the process by which plants make their own food?
20Which state was the first to join the United States?
21How many inches are in a foot?
22What is the hardest natural substance on Earth?
23Which ocean lies on the east coast of the United States?
24Who was the first President of the United States?
25What do you call animals that eat both plants and meat?
26What do bees collect from flowers to make honey?
27What are the three branches of the U.S. government?
28How many sides does a hexagon have?
29What famous scientist developed the theory of relativity?
30In which direction does the sun rise?