Experimental Design & Graphing – Review Quiz

A student wants to see if temperature affects how fast sugar dissolves in water. She tests sugar in cold water, room-temperature water, and hot water. What is the independent variable?

• The amount of sugar used

• The temperature of the water

• The time it takes for sugar to dissolve

• The type of container used

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A class tests if the brand of paper towel affects how much water it can absorb. Which type of graph should be used to show the results?

• Line graph

• Pie chart

• Bar graph

• Scatter plot

A student tests if the number of coils in a rubber band affects how far it stretches when pulled. What is the dependent variable?

• The number of coils in the rubber band

• The distance the rubber band stretches

• The type of rubber band used

• The number of trials completed

A scientist studies whether adding fertilizer makes corn plants grow taller. What would be the control group?

• The group given no fertilizer

• The group given 5 g of fertilizer

• The group given 10 g of fertilizer

• All groups are control groups

Tags

NGSS.MS-LS2-1

A student records the number of successful free throws after 10, 20, and 30 minutes of practice. Which variable belongs on the X-axis of the graph?

• Number of successful free throws

• Minutes of practice

• Type of basketball used

• Number of trials completed

Tags

NGSS.MS-PS3-1

Which of the following must always be included on a graph?

• A. A pie chart option

• B. Labeled axes with units

• C. Only positive numbers

• D. A decorative background

Tags

NGSS.MS-PS3-1

A student wants to test if different brands of fertilizer affect tomato plant growth. Which of the following should be a constant?

• The brand of fertilizer

• The type of tomato plant

• The amount of fertilizer added

• The height of the tomato plant

Tags

NGSS.MS-ETS1-1

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Why are data tables important before making a graph?

• They show conclusions

• They organize raw results

• They make experiments longer

• They replace graphs completely

Which type of graph is best for showing how plant height changes over several weeks?

• A. Bar graph

• B. Line graph

• C. Scatter plot

• D. Pie chart

Tags

NGSS.MS-PS3-1

Which statement is the Reasoning in CER?

• A. “Plants given more sunlight grew taller.”

• B. “If plants get more sunlight, then they will grow taller.”

• C. “The average height of plants in full sun was 20 cm.”

• D. “Plants need sunlight for photosynthesis, which allows them to grow.”

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1