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      • A command economy, or a planned economy, is where the big decisions are made at the centre by the government. In an economic system the main decisions are, for example, allocating resources like labour, capital and oil. Prices, too, are controlled. In a command economy, these decisions are taken by a central body, usually the government.
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  2. Apr 17, 2024 · Learn more: Flying Tea Bag. 8. Egg Float Experiment. In this captivating middle school science project, students will unlock the mysteries of density and water displacement while discovering the fascinating properties of eggs. Learn more: Egg Float Experiment. 9. Popsicle Stick Chain Reaction.

  3. Our middle school projects are written and tested by scientists and are specifically created for use by students in the middle school grades. Students can choose to follow the science experiment as written or put their own spin on the project. For a personalized list of science projects, middle schoolers can use the Science Buddies Topic ...

  4. Learn about about two types of economies: command and market. In a command economy, the government controls everything, like factories and farms. In a market economy, businesses and people decide what to make and buy. Most countries have a mix of both, called a mixed economy. Questions.

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  5. Nov 21, 2023 · Discover the command economy, its definition and how it works. Explore a list of command economy examples, their defining characteristics and facts about them. Updated: 11/21/2023

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    • Fruit Battery Experiment. Make a battery using household materials and a piece of fruit. Does one type of fruit or vegetable work better than another? Remember, it's easiest to test the null hypothesis.
    • Bubbles and Temperature. Blowing bubbles is fun. There is a lot of science to bubbles, too. You can perform an experiment to see how factors affect bubbles.
    • Breakfast and Learning. You've heard about how important breakfast is to performance in school. Put it to the test! There are several experiments you can design around this topic.
    • Rocket Balloon Experiment. Rocket balloons are a fun way to study the laws of motion, plus they use a safe propellant. You can design a middle school experiment exploring the effect of balloon size on the distance a rocket travels, whether the temperature of the air makes a difference, whether a helium balloon rocket and an air balloon rocket travel the same distance, and more.
  6. Oct 16, 2023 · A command economy, or a planned economy, is where the big decisions are made at the centre by the government. In an economic system the main decisions are, for example, allocating resources like labour, capital and oil. Prices, too, are controlled.

  7. Our middle school projects are written and tested by scientists and are specifically created for use by students in the middle school grades. Students can choose to follow the science experiment as written or put their own spin on the project. For a personalized list of science projects, middle schoolers can use the Science Buddies Topic ...