Which type of observation is this? The lemur has 14 black rings on its tail.

• Quantitative

• Qualitative

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?​

• 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

Which type of factors are these from the Frog Experiment?

Type of frog used, water temperature, and number of eggs.

• Independent variables

• Constants

• Dependent Variables

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

Which steps of the Scientific Methods are labeled in the correct order?

• 1. 1.Observations/ Questions

  2. 2. Forming a Hypothesis

  3. 3. Testing a hypothesis

  4. 4. Analyze Results

• 1. Forming a Hypothesis

  2.Draw conclusions

  2. 3.Testing a hypothesis

• 1.Testing a hypothesis

  2.Draw Conclusions

  3.Ask questions

Identify the 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.

• Type of soil

• Bean Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Identify the Dependent Variable:

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.

• Time of Day

• Number of Birds Spotted