Groups and Variables Quiz

Match the following: Qualitative vs Quantitative Observation

• Quantitative

• The tail has 10 black rings on it

• Qualitative

• My foot is 9.5 inches long

• Quantitative

• The fur is soft

• Qualitative

• Sand is rough

• Quantitative

• 6 cm long

A scientist wants to know if the temperature of water affects the rate at which ice melts. The scientist places ice cubes in three containers, each filled with water at a different temperature. What is the independent variable?​ (a)  

• Water Temperature
• Time is takes for the ice to melt

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A scientist wants to know if the temperature of water affects the rate at which ice melts. The scientist places ice cubes in three containers, each filled with water at a different temperature. What is the dependent variable?

• Time it takes to melt

• Time it takes to sink

• Water Tempertature

• Amount of water used

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Organize the factors of the Frog Experiment

Groups:

(a) Constants

,

(b) Independent Variable

,

(c) Dependent Variable

• Type of Frogs used

• Number of eggs

• Number of Deformities

• Temperature of the water

• Amount of UV Light Exposure

Tags

NGSS.MS-LS1-4

NGSS.MS-LS1-5

What is an independent variable?

• Data collected at the end

• The control group

• Factor that changes from group to group

• Factor that remains constant

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is a dependent variable?

• Data collected from and experiment

• Variable that changes from group to group

• Variable that remains constant

• Things that remain constant

Tags

NGSS.MS-PS2-2

What are constants when thinking of experiments?

• Factors that are changed from group to group

• Factors that stay the same from group to group

• Data collected at the end of an experiment

• The independent variable

Reorder the following: Steps of the Scientific Method

MUST BE IN THE CORRECT ORDER FOR CREDIT.

• Analyze Results

• Forming a Hypothesis

• Draw conclusions

• Observations/ Questions

• Testing a hypothesis

Identify the Independent and Dependent Variable:

A student wants to find out if the type of soil (sand, potting soil, or clay) affects the growth of bean plants. The student plants bean seeds in three pots, each filled with a different type of soil.

Groups:

(a) Independent Variable

,

(b) Dependent Varaible

• Type of Soil

• Bean Plant Growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Identify Independent and Dependent Variables:

A group of friends is testing whether the time of day (morning, afternoon, or evening) affects the number of birds they see in the park. They visit the park at different times and count the birds they observe.

Groups:

(a) Independent Variable

,

(b) Dependent Variable

• Number of birds spotted

• Time of day