Scientific Experiments

I (a)   is a variable that changes ahd you have control

Tags

NGSS.MS-PS2-2

A dependent variable is

• Measured at the end

• Changed

• Controlled

Tags

NGSS.MS-PS3-4

What is the variable called that stays the same

• Controlled Variable

• Constant

• Dependent Variable

• Independent Variable

I scientist is doing a experiment he has three pots one has soil, one has compost, and the other has sand. He wants to see how much they grow in 2 weeks so every day to pot one he adds three drops of water to pot one. Two drops of water to pot two. And one drop of water to pot 3. Is this a good way to conduct his research?

• Yes

• No

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is a observation?

• Information gathered by using our five senses.

• A numerical measurement.

• The quality of an object.

Tags

NGSS.2-PS1-1

A qualitative observation describes the quality of an object.

• True

• False

A quantitative observation is a observation that describes a numerical measurement.

• False

• True

What is a inference?

• Describes the quality of an object.

• A numerical observation.

• A judgment about what is happening based on previous knowledge.

• A guess about what is going to happen in the future based off of evidence.

Tags

NGSS.MS-LS2-4

Make an inference about the picture

• The people on the roller coaster will fall.

• The roller coaster is making a loop.

• The roller coaster is going to drop.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS2-4

What is a prediction?

• A judgment about an observation based off of knowledge or experience.

• I guess about the future based on evidence or experience.