2.1.5 Life Science S1

2.1.5 Life Science S1

- Identify appropriate tools and SI units for collecting, recording, and analyzing both quantitative and qualitative data.

- Record precise and approximate measurements.

- Use scientific notation for very small and very large numbers.

Why use the Metric System?

• Most countries use it

• Scientists need a universal way to communicate data

Multiple Choice

There are _______ grams in 1 kilogram

• 1

• 10

• 100

• 1000

Multiple Choice

Besides liters, what is another way you can measure volume?

Volume = length x width x height

• cm³

• m

• g

• L

Graduated Cylinder

Multiple Choice

What tool do you use to measure the volume of a liquid?

• ruler

• triple beam balance

• eye dropper

• graduated cylinder

Multiple Choice

The volume of a glass of orange juice would be measured in __?__.

• liters  (L)
• cubic meters  (m³)
• milliliters  (mL)
• kilograms  (kg)

Multiple Choice

Units used to measure Mass of an object

• Centimeters

• Milliliters

• Grams

• Volume

Multiple Choice

What would you use to measure the mass of this?

• Grams

• Kilograms

Multiple Choice

What would you use to measure the mass of this?

• Grams

• Kilograms

Multiple Choice

Which of the following would you most likely measure in kilograms?

• mass of a paperclip

• length of a horseshoe

• length of a longhorn cow

• mass of a longhorn cow

Multiple Choice

Tool used to measure MASS

• Metric Ruler
• Triple Beam Balance
• Graduated Cylinder
• Thermometer

Multiple Choice

What is the basic unit for length

• meter

• centemeters

• yards

• kilograms

Multiple Choice

To measure the length of a Kleenex box you would use __?__.

• kilometers (km)
• meters (m)
• dekameters (dam)
• centimeters (cm)

Multiple Choice

The SI unit for temperature is __?__.

• degree fahrenheit (° F)

• degree celsius (° C)

• kelvin (K)

• degree centigrade (°C)

Multiple Choice

The amount of space taken up by an object

• Mass
• Volume
• Density
• Weight

Multiple Choice

Which unit is not used in the metric system?

• meter

• gram

• pound

• liter

Multiple Choice

We use the _____________ when we want to magnify smaller objects.

• triple beam balance
• hand lens
• thermometer
• graduated cylider

Multiple Choice

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Multiple Choice

Write 0.000972 in scientific notation.

• 9.72 x 10^-4
• 9.72 x 10^-3
• 972 x 10^-4
• 9.72 x 10⁴

Multiple Choice

How do you write

8.317 x 10⁶

in standard form?

• 8,371

• 83, 170, 000

• 837, 100

• 8, 317, 000

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10⁴

• 5 x 10³

• .5 x 10³

Multiple Choice

How would you write 479,000 in Scientific Notation?

• 479 x 10³

• 47.9 x 10⁴

• 0.479 x 10⁶

• 4.79 x 10⁵

Accuracy = How close to "true" or desired value

Precision = How close measurements are to each other

Multiple Choice

This refers to

how close a group of measurements are to each other

• estimate

• accuracy

• precision

• mean

Multiple Choice

How close a measurement is to the true value is called..

• Accuracy

• Precision

• Significant

• Estimate

Multiple Choice

It is a measure of how close measurements come to each other when they are made in the same way

• Accuracy

• Precision

• Error

• Extrapolation

Multiple Choice

Describe the accuracy and precision of the image

• Accurate and Precise

• Accurate and not precise

• Not Accurate and Precise

• Not accurate and not precise

Multiple Choice

Which is the more precise measurement?

• 4 mL

• 4.3 mL

• 4.30 mL

• 4.300 mL

Multiple Choice

Which group of measurements is more precise?

• 28.5, 28.4, 28.5

• 25.8, 25.0 24.1

• 32.1, 35.0, 25.0

• 20.0, 25.0, 30.0

Multiple Choice

This bullseye demonstrates...

• High Accuracy & High Precision

• High Accuracy & Low Precision

• Low Accuracy & High Precision

• Low Accuracy & Low Precision

Accuracy = How close to "true" or desired value

Precision = How close measurements are to each other