Chemistry, Wednesday Bell Ringer, 9/12/18

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

CCSS.6.EE.A.2C

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-5

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.HS-PS1-3

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

A list of the steps anyone could follow to conduct an experiment. 

• obervations
• question/problem
• materials
• procedures

Tags

NGSS.MS-PS2-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

CCSS.HSF-LE.A.1C

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth
• Color of the plant's leaves

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.