What is the main focus of the engineering design process?

To solve a problem or generate concepts

What is the purpose of drawing conclusions in the scientific method?

To interpret results and relate them to the hypothesis

What is the main difference between qualitative and quantitative data?

Qualitative data is descriptive, quantitative is numerical

Qualitative data is numerical, quantitative is descriptive

A hypothesis is a testable prediction about the relationship between variables.

A hypothesis is a random guess without any basis.

A hypothesis is an untestable assumption about the future.

A hypothesis is a definitive conclusion drawn from data.

What is the dependent variable?

The dependent variable is the variable that is measured in an experiment.

The dependent variable is the variable that is manipulated by the researcher.

The dependent variable is the variable that remains constant throughout the experiment.

The dependent variable is the variable that is controlled in an experiment.

What is the independent variable?

The independent variable is the manipulated variable in an experiment.

The independent variable is the outcome measured in an experiment.

The independent variable is the variable that remains unchanged throughout the experiment.

In a study testing a new plant fertilizer, Olivia sets up two groups of plants. One group receives the new fertilizer, while the other group does not receive any fertilizer. What is the control group?

A control group is used as a baseline to measure the effect of the treatment.

A control group is used to enhance the treatment's effects.

A control group is the same as the experimental group.

A control group is the group receiving the treatment.

During an experiment, Olivia wants to find out how the amount of sunlight affects plant growth. She keeps the type of plant, amount of water, and type of soil the same for all her plants. What are these variables called?

Controlled variables are constants in an experiment that are not changed.

Variables that are changed during the experiment

Factors that are measured as outcomes

Random elements introduced to the experiment

What are prototype models within the engineering design process?

Prototype models are preliminary versions of products used to test and refine designs in the engineering design process.

Prototype models are detailed technical specifications for manufacturing.

Prototype models are theoretical concepts that do not require testing.

Prototype models are final products ready for market release.

Mean is the average of a set of numbers.

Mean is the total of a set of numbers.

Mean is the middle value in a set of numbers.

Mean is the difference between the highest and lowest values.

To determine the central tendency of a data set.

To measure the variability of a data set.

To find the maximum value in a data set.

To calculate the average of a data set.

The mode is the most frequently occurring value in a data set.

The mode is the average of all values in a data set.

The mode is the sum of all values divided by the number of values.

The mode is the smallest value in a data set.

The range is the difference between the highest and lowest values.

The range is the average of the values.

The range is the sum of all values.

The range is the highest value only.

Quartiles are values that divide a dataset into four equal parts.

Quartiles are the maximum and minimum values of a dataset.

Quartiles are values that divide a dataset into three equal parts.

Quartiles are the average of a dataset.

What does measures of dispersion mean?

Measures of dispersion refer to statistics that describe the extent to which data points in a dataset vary or spread out.

Measures of dispersion are only concerned with the average of a dataset.

Measures of dispersion indicate the central tendency of data points.

Measures of dispersion are irrelevant in statistical analysis.

Examples of measures of dispersion.

Range, standard deviation and quartiles

Probability, frequency, correlation

What is the purpose of a line graph?

The purpose of a line graph is to show trends or changes over time.

To illustrate the relationship between two variables at a single point in time.

To display categorical data in separate bars.

To represent data in a pie chart format.

A histogram is a type of bar chart that displays the frequency distribution of a dataset.

A histogram is a type of pie chart that shows data proportions.

A histogram is a line graph that represents trends over time.

A histogram is a table that lists data values and their corresponding counts.

What is the purpose of a bar chart?

The purpose of a bar chart is to compare different categories of data visually.

To illustrate relationships between variables.

To show the distribution of a dataset.

What is the main purpose of a dissecting pan?

To hold specimens during dissection

2.1 Ag Associate Certification

Authored by Catherine Darby

Science

12th Grade

NGSS covered

Used 2+ times

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155 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the first step in the scientific method?

Form a hypothesis

Make an observation

Draw conclusions

Test the prediction

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a step in the engineering design process?

Define the problem

Form a hypothesis

Prototype models

Improve and refine

What is the difference between a theory and a law in scientific research?

A law is a guess, a theory is proven

A theory explains why, a law describes what happens

A theory is always correct, a law is not

A law is a hypothesis, a theory is a fact

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of data is represented by a bar chart?

Qualitative or quantitative data

Only qualitative data

Only quantitative data

Only continuous data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which step comes after "plan solutions for the problem" in the engineering design process?

Test

Prototype models

Improve and refine

Define the problem

What is the purpose of testing the prediction in the scientific method?

To gather and analyze data

To form a hypothesis

To present data

To define the problem

Which of the following is a measure of dispersion?

Mode

Mean

Standard deviation

Median

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2.1 Ag Associate Certification

Which of the following is the first step in the scientific method?

Which of the following is NOT a step in the engineering design process?

What is the difference between a theory and a law in scientific research?

What type of data is represented by a bar chart?

Which step comes after "plan solutions for the problem" in the engineering design process?

What is the purpose of testing the prediction in the scientific method?

Which of the following is a measure of dispersion?

What is the final step in the engineering design process?

Which chart is best for showing parts of a whole?

What is the main focus of the engineering design process?

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