Topics from March 2020
- WHAT IS GEOTHERMAL ENERGY?
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- WHAT IS A JOULE?
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- HOW CAN ENERGY BE STORED?
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- HOW DO HUMAN BEINGS GET THEIR ENERGY?
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- HOW DOES A POWER STATION WORK?
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- WHERE DOES ENERGY COME FROM?
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- WHAT ARE THE DIFFERENT KINDS OF ENERGY?
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- HOW DO WASP AND BEE STINGS DIFFER?
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- HOW DO ACID AND ALKALI SOILS DIFFER?
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- HOW ARE ACIDS AND ALKALIS USED IN INDUSTRY?
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- WHICH INTERNATIONAL SYMBOLS WARN ABOUT CHEMICALS INSIDE CONTAINERS?
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- WHAT IS AN INDICATOR?
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- WHAT DOES A pH VALUE MEASURE?
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- ARE BASES AND ALKALIS THE SAME THING?
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- WHAT IS AN ACID?
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- WHY IS ALUMINIUM KNOWN AS A POOR METAL?
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- WHAT KIND OF METAL IS CALCIUM?
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- WHY DO METALS CORRODE?
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- WHAT ARE ALKALI METALS?
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- WHAT ARE THE NOBLE METALS?
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- WHAT IS REACTIVITY?
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- HOW DO METALS AND NON METALS DIFFER?
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- WHAT IS AN IONIC BOND?
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- WHAT IS MEANT BY VALENCY?
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- WHAT IS A COVALENT BOND?
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- WHAT IS A COMPOUND?
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- HOW DO ATOMS AND MOLECULES MIX AND JOIN?
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- HOW DOES BONDING WORK?
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- WHAT IS DENSITY?
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- WHAT IS MASS?
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- IS HEATING THE ONLY WAY TO CAUSE CHANGES OF STATE?
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- WHAT HAPPENS WHEN MOLECULES ARE HEATED?
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- WHAT ARE MOLECULES?
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- HOW DO SOLIDS, LIQUIDS AND GASES DIFFER?
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- WHO INVENTED THE GEIGER COUNTER?
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- WHAT DOES A GEIGER COUNTER MEASURE?
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- HOW IS NUCLEAR POWER USED?
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- WHEN WERE NUCLEAR WEAPONS FIRST USED?
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- WHAT IS MEANT BY A HALF-LIFE?
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- HOW DOES CARBON DATING WORK?
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- WHAT IS A NUCLEAR REACTION?
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- WHAT IS RADIOACTIVITY?
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- WHAT IS A MASS SPECTROMETER?
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- WHAT IS AN ATOMIC NUMBER?
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- HOW MANY DIFFERENT ATOMS ARE THERE?
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- WHAT IS THE STRUCTURE OF AN ATOM?
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- ARE ATOMS THE SMALLEST PARTICLES OF MATTER?
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- WHAT IS MATTER?
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- DO ALL SCIENTISTS WORK IN LABORATORIES?
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- HOW IS SCIENTIFIC KNOWLEDGE PASSED ON?
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- WHAT IS A HYPOTHESIS?
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- HOW HAVE COMPUTERS HELPED SCIENTISTS?
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- HOW ARE EXPERIMENTS DESIGNED?
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- WHAT IS THE MAIN FIELDS OF SCIENCE?
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- WHO WAS THE FIRST SCIENTIST?
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