Science Bowl Practice Quiz

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1. Joe,Tom,and Max are doing an experiment on how many times a person blinks in 1 minute. What tools do they need for their experiment?

Explanation

For their experiment on how many times a person blinks in 1 minute, Joe, Tom, and Max need a stopwatch. A stopwatch is necessary to accurately measure the time and count the number of blinks within a minute. The other options, a snack and a drink, and a test tube, are not relevant or necessary for this particular experiment.

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About This Quiz
Science Bowl Practice Quiz - Quiz

The 'Science Bowl Practice Quiz' challenges learners with questions on simple machines, experimental tools, chemical reactions, photosynthesis, and the scientific method. It enhances understanding of basic scientific concepts... see moreand experimental approaches. see less

2. So your rest break is over. Answer this question.... Max wants to teach his dogs, Duncan and Gigi, the scientific method. What are the steps?

Explanation

The correct answer is a sequence of steps that outline the scientific method. It begins with asking questions to identify a problem or topic of interest, followed by collecting information or data related to the topic. Then, a hypothesis is formed, which is a proposed explanation or prediction based on the collected information. Next, a plan is made to conduct an experiment to test the hypothesis. The experiment is carried out, and observations are made to gather data. Based on the observations, a conclusion is formed to determine if the hypothesis is supported or not. Finally, the results and findings are communicated to others.

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3. The process by which plants convert sunlight into energy is called __________.

Explanation

Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight into chemical energy. Using sunlight, plants transform carbon dioxide and water into glucose (a form of sugar) and oxygen. This process takes place primarily in the chloroplasts of plant cells and is essential for providing energy to nearly all life on Earth, as it forms the basis of the food chain.

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4. Jake and Max are experimenting on what happens when they add a whole bag of Mentos in a 2 liter of both Coke and Pepsi combined. What can you predict will happen?

Explanation

When Mentos are added to Coke or Pepsi, a chemical reaction occurs. The rough surface of the Mentos candy provides nucleation sites for the carbon dioxide gas in the soda to rapidly escape, causing a rapid release of gas. This gas release creates a high amount of pressure inside the bottle, leading to an explosive eruption of soda. Therefore, when a whole bag of Mentos is added to a 2-liter bottle of Coke and Pepsi combined, it is likely to burst into a giant explosion.

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5. Bob wants to know how many simple machines their is. You are the teacher... answer his question here are your choices:

Explanation

The correct answer is 6 because there are six simple machines: lever, pulley, wheel and axle, inclined plane, wedge, and screw. Each of these machines has a specific purpose and can be found in various everyday objects, such as a seesaw, crane, bicycle, ramp, knife, and screwdriver.

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6. Which of the following is an example of a chemical change?

Explanation

A chemical change results in the formation of new substances with different properties. When wood burns, it reacts with oxygen to produce ash, carbon dioxide, water vapor, and other products. These products have different chemical compositions than the original wood. The other options represent physical changes, where the substance may change form but not its chemical identity.

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Joe,Tom,and Max are doing an experiment on how many times a person...
So your rest break is over. Answer this question.... Max wants to...
The process by which plants convert sunlight into energy is called...
Jake and Max are experimenting on what happens when they add a whole...
Bob wants to know how many simple machines their is. You are the...
Which of the following is an example of a chemical change?
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