Physics Flashcards

The Physics Flashcards deck has 3,000 questions across ten levels, with 300 cards at each level split evenly into Forces and motion, Magnets, and Light and sound. Each category has ten teaching points, and each point has ten different practice questions so the same idea is practiced from more than one angle. Level 1 starts with everyday naming: a push or a pull, a fridge magnet, light so you can see, and sound so you can hear. Later levels add friction as rub, poles that attract or repel, shadows, echoes, and why aluminum cans do not stick. Level 10 stays in plain language, not a high-school exam. Astronomy stays on the Space deck. Magnets on these cards match the magnets lab: iron and steel stick, aluminum does not.

A fact sticks better when you try to recall it before you read the answer. Physics shows up in ordinary moments such as kicking a ball, hanging a photo on a fridge, or hearing thunder after lightning, so a short question loop is a practical way to practice. You read the front, flip for the headline answer, then read why it happens and one fun fact. Next means you knew it. Again brings a tricky card back two turns later while the idea is still fresh. That spaced practice is more useful than rereading a long chapter once. Your session progress stays in this browser, so you can return to Forces one day and Magnets the next without an account, password, or upload.

A core concept sticks better when it is phrased in several relatable ways. For example, instead of asking only one question about a fridge magnet, the deck asks which metals stick, why an aluminum can does not, how distance changes the pull, and what happens when like poles meet. This multi-angle design helps you understand the idea instead of memorizing one rigid sentence. Ten cards per teaching point also keeps a session interesting. You are not answering the same wording ten times. You meet the same science idea in a wagon, a soccer ball, a paperclip, or a bicycle bell, which is how those ideas show up in daily life.

A common misconception is that magnets stick to every shiny metal object. Everyday magnets only attract certain metals, primarily iron, steel, and nickel. Household items made of aluminum, such as soda cans and cooking foil, never stick to ordinary magnets. Testing materials in the magnets lab confirms that aluminum, gold, silver, copper, brass, wood, rubber, and plastic do not stick. Teaching this distinction early helps learners understand that magnetism is a specific property of certain materials rather than a universal feature of all metals. The cards and the lab tell the same story, so a wrong guess on a card can be checked by trying a real can and a steel paperclip.

Light and sound are two different ways we notice the world. Light lets our eyes see shapes, shadows, and colors, and it can travel in complete silence across empty space or through air. Sound is a shake we hear with our ears, and it needs air, water, or something solid to travel. Because they work differently, you can have one without the other, such as watching a silent flashlight beam in a dark room or listening to music with your eyes closed. Light also travels much faster than sound, which is why you see lightning before you hear thunder. The cards practice that contrast so the two ideas do not get mixed together.

Physics cards display speeds, distances, and weights using familiar US customary measurements alongside international metric equivalents, such as miles followed by kilometers or pounds followed by kilograms. Providing both units side by side in parentheses helps learners build a comfortable mental model no matter which measurement system a school or home region uses. Rounded conversational numbers keep early levels readable, while still connecting real scales across both systems. When a card mentions a 42-pound curling stone, it also says about 19 kilograms, so the same fact is usable in more than one place without a separate conversion step.

All ten levels are playable. Each level has 300 cards: 100 about Forces and motion, 100 about Magnets, and 100 about Light and sound. Level 1 starts with naming questions about pushes, fridge magnets, light, and sound. Later levels add friction as rub, poles by name, shadows, paint mix versus light mix, and energy as the ability to make something happen. Level 10 stays in plain language, not a high-school exam. Pick a level in the dropdown. Changing level starts a new shuffled session of ten cards. Progress for each card is saved in this browser, so you can move between levels without losing the cards you have already practiced.

The Physics Flashcards deck is a daily practice loop that uses active recall and spaced repetition. The magnets lab is a visual table where you can drag poles, feel attract and repel, and test which household materials stick. The color-mixing lab is the toy for paint recipes versus light recipes. Cards tell you that aluminum does not stick and that red, yellow, and blue paint is not the same recipe as red, green, and blue light. The labs let you try those facts with your hands. Use the cards to remember. Use the labs to see it happen. Sound has no lab yet, so those questions stay in the Light and sound category until a sound sandbox exists.