Ch1 L3: How do scientists collect and interpret data?

What is data?

• Information from which a conclusion can be drawn or a prediction can be made.

• A type of computer program.

• A kind of food.

• A type of animal.

Tags

NGSS.MS-PS3-1

Why does data need to be collected consistently and recorded in a useful way?

• So it can be used to draw conclusions or make predictions.

• So it can be thrown away.

• So it can be hidden from others.

• So it can be forgotten.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

What does "precision" mean in scientific measurements?

• The ability to consistently repeat a measurement

• The ability to guess the result

• The ability to measure quickly

• The ability to use a calculator

What does "accuracy" mean in scientific measurements?

• The ability to make a measurement that is as close to the actual value as possible

• The ability to measure the fastest

• The ability to use the largest numbers

• The ability to repeat the same mistake

What is true about data from a controlled experiment?

• They are consistent and precise

• They are always random

• They are never repeated

• They are always inaccurate

What does a balance measure?

• Mass

• Time

• Temperature

• Length

Which tool is used to measure time?

• Thermometer

• Clock

• Ruler

• Microscope

What does a thermometer measure?

• Volume

• Force

• Temperature

• Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which tool is used to measure length?

• Ruler

• Balance

• Graduated cylinder

• Spring scale

What does a graduated cylinder measure?

• Mass

• Volume

• Time

• Force