6th Grade Science Review Quiz on Experimental Design

  • Grade 6th
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| By Catherine Halcomb
Catherine Halcomb
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Quizzes Created: 2606 | Total Attempts: 6,885,172
| Questions: 10 | Updated: May 21, 2026
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1. In an experiment testing plant growth, what is the independent variable?

Explanation

In an experiment, the independent variable is the factor that is deliberately changed to observe its effect on the dependent variable. In this case, the amount of water used on the plant is manipulated to determine how it influences the growth of the plant, which is measured by its height. By varying the water amount, researchers can assess its impact on plant growth, making it the independent variable in the experiment.

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About This Quiz
6th Grade Science Review Quiz On Experimental Design - Quiz

This review focuses on key concepts in experimental design, evaluating skills such as identifying independent and dependent variables, understanding measurement precision, and recognizing types of energy. It's useful for reinforcing foundational scientific principles that are essential for conducting experiments and analyzing results. This quiz on experimental design will help solidify... see moreyour understanding of these important topics. see less

2. In the same experiment, what is the dependent variable?

Explanation

In an experiment, the dependent variable is the outcome that is measured to assess the effect of changes in the independent variable. Here, the independent variable is likely the amount of water or time spent watering the plant. The height of the plant is what researchers observe to determine how these factors influence growth, making it the dependent variable. Changes in height reflect the impact of the watering conditions, thus it is the primary focus of measurement in this experiment.

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3. What percentage of the total items collected from the beaches was plastic if the chart shows 46 plastic items out of 100 total items?

Explanation

To find the percentage of plastic items collected from the beaches, divide the number of plastic items (46) by the total number of items collected (100) and then multiply by 100. This calculation shows that 46 out of 100 items are plastic, which directly translates to 46%. Thus, the percentage of plastic items in the total collection is 46%.

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4. Which ruler would give the most precise measurement of a caterpillar's length?

Explanation

Ruler A likely provides the most precise measurement due to its smaller units of measurement, such as millimeters, allowing for finer increments compared to rulers with larger units like centimeters or inches. This precision is crucial for accurately measuring small objects like a caterpillar, where even slight differences in length can be significant. Additionally, Ruler A may have a clearer scale or markings that facilitate more exact readings.

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5. What is the main reason for choosing renewable resources over non-renewable resources?

Explanation

Choosing renewable resources over non-renewable resources is advantageous because they often lead to lower long-term costs, are sustainable over time, and have a significantly reduced environmental impact. Renewable resources, such as solar and wind energy, can be harnessed indefinitely without depleting the Earth's natural reserves. Additionally, they contribute to reducing greenhouse gas emissions and pollution, promoting a healthier planet. The combination of economic, availability, and environmental benefits makes renewable resources the preferred choice for a sustainable future.

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6. What type of energy does a windmill use to do work?

Explanation

Windmills convert the kinetic energy of wind into mechanical energy. As wind flows over the blades of the windmill, it causes them to rotate. This rotational motion is a form of mechanical energy that can be harnessed to perform work, such as grinding grain or pumping water. Unlike other energy types listed, mechanical energy specifically pertains to the movement and physical work done by the windmill's components.

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7. As altitude increases, air pressure and air density __________.

Explanation

As altitude increases, the weight of the air above decreases, leading to a reduction in air pressure. This is because there are fewer air molecules at higher elevations, resulting in lower air density. Consequently, both air pressure and air density decrease with increasing altitude, which is a fundamental principle of atmospheric science.

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8. What is the smallest particle of an element?

Explanation

An atom is the fundamental building block of matter and the smallest unit of an element that retains its chemical properties. It consists of a nucleus made of protons and neutrons, surrounded by electrons. Unlike molecules, which are formed by the combination of two or more atoms, an atom represents a single element and cannot be divided into smaller parts without losing its identity as that element. Therefore, it is the smallest particle that defines the characteristics of an element.

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9. What is the atomic number for fluorine?

Explanation

Fluorine is a chemical element with the symbol "F" and is located in group 17 of the periodic table. The atomic number represents the number of protons in the nucleus of an atom of an element. For fluorine, this number is 9, indicating that each fluorine atom has 9 protons. This unique atomic number distinguishes fluorine from other elements and determines its chemical properties and behavior.

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10. What type of front most likely creates a thunderstorm?

Explanation

Cold fronts are associated with the rapid lifting of warm, moist air over the denser, cooler air that is advancing. This abrupt uplift causes the warm air to cool quickly, leading to condensation and the formation of cumulonimbus clouds, which are responsible for thunderstorms. The steep slope of a cold front enhances instability in the atmosphere, resulting in intense precipitation and severe weather phenomena, including thunderstorms. In contrast, warm fronts typically produce more gentle rainfall, while stationary and occluded fronts can also lead to storms, but cold fronts are the most effective at triggering severe thunderstorms.

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In an experiment testing plant growth, what is the independent...
In the same experiment, what is the dependent variable?
What percentage of the total items collected from the beaches was...
Which ruler would give the most precise measurement of a caterpillar's...
What is the main reason for choosing renewable resources over...
What type of energy does a windmill use to do work?
As altitude increases, air pressure and air density __________.
What is the smallest particle of an element?
What is the atomic number for fluorine?
What type of front most likely creates a thunderstorm?
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