Physical Science

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What is temperature?

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Temperature is a measure of how hot or cold something is, usually measured in degrees Celsius (°C) or Fahrenheit (°F).

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What is a thermometer used for?

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A thermometer is an instrument used to measure the temperature of liquids, gases, or solids.

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What is the difference between weight and mass?

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Weight is the force exerted by gravity on an object, while mass is the amount of matter in an object. Weight can change with gravity, but mass remains constant.

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What is an experiment?

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An experiment is a scientific procedure undertaken to test a hypothesis or demonstrate a known fact.

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What is heat energy?

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Heat energy is the energy that comes from the temperature of matter. It is the energy that causes substances to change temperature.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is a hypothesis?

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A hypothesis is a proposed explanation for a phenomenon, which can be tested through experiments.

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What is mass?

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Mass is a measure of the amount of matter in an object, typically measured in grams (g) or kilograms (kg).

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What is volume?

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Volume is the amount of space that a substance (solid, liquid, gas) occupies, usually measured in liters (L) or cubic centimeters (cm³).

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What is magnetic force?

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Magnetic force is the attraction or repulsion that arises between electrically charged particles due to their motion.