What are we acing today?

What do you know about Paul Cezanne? Check it out!

Do you know planets of solar system? Can you name biggest moons of Solar System?

Learn to read the S row (さ し す せ そ) and the T row (た ち つ て と) of hiragana, including the three tricky exceptions: shi, chi and tsu. Practise single characters and simple words like すし (sushi), くつ (shoes) and ちかてつ (subway).

How plants get their food? How photosynthesis work? Other modes of nutrition in plants. Science class 7 chapter 1 exercise test and solutions.

Test your knowledge and take the quiz about Egypt.

Assign correct molecular formula to alkine name. Test your chemistry skills.

Messier catalogue quiz, part 2: 10 new deep-sky photos to identify. Galaxies, nebulae, open and globular clusters. Ready for a harder round than part 1?

Social Science, Our Pasts I online test and solutions. Answer questions and repeat what you learn about first human settlements in ancient times. First human settlements and empires. History class 6 chapter 1 exercise test and solutions.

In this quiz you are about to test your knowledge of biography and political activity of US president John Adams. Good luck!

Identification and basic vehicle knowledge quiz of German combat Vehicles used by Nazi Germany during WWII.

Take your knowledge of acids further: acids in food and medicine, acid rain, industrial chemistry and what makes one acid stronger than another. Apply the naming rules to new elements and discover some surprising chemistry history along the way. Every answer comes with a short explanation.

est your knowledge of the brightest stars in the night sky: Sirius, Canopus, Vega, Betelgeuse and more. Find out which constellations they belong to, what their names mean, why some stars look brighter than others, and which star will one day replace Polaris as the North Star.

Learn to read な に ぬ ね の and は ひ ふ へ ほ, tell apart look-alike characters such as ぬ and ね or は and ほ, and read simple Japanese words like ねこ, さかな and ふね. Also covers the ‘fu’ exception and why は is sometimes read ‘wa’.

Learn to read your first 10 hiragana characters, あ い う え お and か き く け こ, and use them to read simple Japanese words.

Learn to read the S row (さ し す せ そ) and the T row (た ち つ て と) of hiragana, including the three tricky exceptions: shi, chi and tsu. Practise single characters and simple words like すし (sushi), くつ (shoes) and ちかてつ (subway).

Part 4 of the Messier objects quiz: another 10 galaxies, nebulae and star clusters to recognise. A good test before a night of stargazing with a telescope.

Part 3 of the Messier objects quiz brings fainter, trickier deep-sky targets. Pick the right Messier number for each photo and learn a fact after every answer.

Messier catalogue quiz, part 2: 10 new deep-sky photos to identify. Galaxies, nebulae, open and globular clusters. Ready for a harder round than part 1?

8th grade natural selection practice test.

Practice test about origins of life on our planet.