Space science · Grades 3–6
Solar system worksheet
Eight planet cards, each with a real NASA spacecraft photo and facts checked against NASA’s Planetary Fact Sheet: how wide it is, how long a day and a year last, and whether it has rings.
Below the cards is a quick quiz of 4 to 10 questions, and every answer is on the sheet. Press New questions for a different mix. The answer key shows the NASA numbers behind each fact.
Questions
Are the planet photos real?
Yes. Every photo comes from NASA's Image and Video Library. NASA processed the colors of some of them.
Where do the facts come from?
NASA Goddard's Planetary Fact Sheet, last updated in March 2025.
What grade is it for?
Grades 3 to 6, about ages 8 to 12.