Scientific Investigation

Match the following

• Question

• writing down data

• experiment

• Starts the scientific investigation process

• conclusion

• prediction; educated guess; must be testable statement

• record results

• procedure or directions for testing the hypothesis

• hypothesis

• supported or not supported statement at the end

Tags

NGSS.MS-PS2-2

Choose all the answers that are correct: A hypothesis is...

• reasonable

• always correct

• testable

• and If __IV__, then __DV__ statment

Match the following that will help you identify parts of an experiment.

• 2nd change; data or measurements; effect

• independent variable

• parts of the experiment that are SAME

• constants

• 1st change; cause; manipulated change

• control

• part of the experiment used to COMPARE

• dependent variable

Tags

NGSS.MS-PS2-2

A scientist wanted to see what type of liquid would result in an increase in plant growth. What is the independent variable?

• Plant Growth

• Plant C with the water

• The types of liquid in all plants

• The type of plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A scientist wanted to see what type of liquid would result in an increase in plant growth. What is the dependent variable?

• Plant Growth

• Plant C with the water

• The types of liquid in all plants

• The type of plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A scientist wanted to see what type of liquid would result in an increase in plant growth. What is the control?

• Plant Growth

• Plant C with the water

• The types of liquid in all plants

• The type of plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A scientist wanted to see what type of liquid would result in an increase in plant growth. What an example of a constant?

• Plant Growth

• Plant C with the water

• The types of liquid in all plants

• The type of plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. What is the IV?

• Distance the paper airplane will fly

• The number of paper clips.

Tags

NGSS.MS-PS2-2

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. What is the DV?

• Distance the paper airplane will fly

• The number of paper clips.

Tags

NGSS.MS-PS2-2

Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators. What is the IV?

• Using the calculator

• Speed working math problems