MAP Applied Methods and Techniques 2

Question 1

A student tests whether fertilizer amount affects plant height. Which variable is the dependent variable?

Accepted Answer

Plant height

Answer

The dependent variable is the outcome measured in response to changes in the independent variable.

Question 2

Why should an experiment include a control group?

Accepted Answer

To provide a baseline for comparing results

Answer

A control group receives no treatment, so results from the experimental group can be compared against it.

Question 3

A student measures the same object's mass three times and gets 24.1 g, 24.0 g, and 24.2 g. The accepted mass is 30.0 g. The measurements are best described as:

Accepted Answer

Precise but not accurate

Answer

The values are close to each other (precise) but far from the true value (not accurate).

Question 4

Which type of graph is best for showing how temperature changes over a 24-hour period?

Accepted Answer

Line graph

Answer

Line graphs show continuous change over time.

Question 5

A recipe needs 3/4 cup of sugar for 12 cookies. Using a proportion, how much sugar is needed for 36 cookies?

Accepted Answer

2 1/4 cups

Answer

36 is 3 times 12, so 3 × 3/4 = 9/4 = 2 1/4 cups.

MAP - Missouri Assessment Program Practice Test

MAP - Missouri Assessment Program Practice Test

MAP Applied Methods and Techniques 2