Subject
Science lessons
Discover interactive science lessons that make biology, chemistry, physics, and earth science accessible and engaging. Viafocus lessons use hands-on questions to reinforce key concepts and encourage scientific thinking.
Most popular
This week in science
Empty Hands — How do astronauts move in space?
Why you cannot swim in space.
Two Ways to Be Fast
25 questions · 15 min
The Last Wolf
15 min
One More Tree
16 min
The Hungry Season — How does natural selection actually work?
21 questions · 13 min
Uphill Water — How does a canal lock work, and how does a boat go up a hill?
13 questions · 10 min
Four Marks — How do you survive lost in the wild, and what kills you first?
30 questions · 16 min
Wake the Needle — What is a magnet, and how does a compass work?
26 questions · 15 min
Mud & Glow - Why does mixing paints make brown but mixing lights make white?
12 questions · 12 min
Six Nights — Why do you have to finish your antibiotics even when you feel better?
11 questions · 9 min
Catch the Fall — How do you balance on a bicycle?
26 questions · 15 min
Nobody Leads — How do thousands of birds fly in one flock without crashing?
12 min
The Lunch Rush — What is a bottleneck, and why does one slow spot hold up the whole queue?
13 questions · 10 min
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Frequently asked
What science subjects can I learn on Viafocus?
Viafocus covers biology, chemistry, physics, earth science, and environmental science. Lessons range from introductory concepts to advanced topics.
Do the science lessons include experiments or simulations?
While Viafocus focuses on interactive question-based learning, many science lessons include visual diagrams, scenario-based questions, and real-world applications that reinforce experimental thinking.
Can teachers assign science lessons to their students?
Yes. Teachers can share lesson links directly or use the Viafocus classroom tools to assign lessons and track student progress.