Unit 1 Intro to Chemistry

Concept 1 Measurement

100

This is the standard unit of measurement for length.

What is METER?

200

This is the standard unit of measurement for TEMPERATURE.

What is KELVIN?

300

Identify the INDEPENDENT VARIABLE: An experiment was designed to investigate the effect of ibuprofen on the amount of stomach acid produced in mice. Two hundred mice were gathered. All mice lived in the same environment with the same temperature and amount of light. All mice received the same amount of water, the same amount of food, and the same type of food.

What is THE EFFECT OF IBUPROFEN?

400

Identify the DEPENDENT VARIABLE: An experiment was designed to investigate the effect of ibuprofen on the amount of stomach acid produced in mice. Two hundred mice were gathered. All mice lived in the same environment with the same temperature and amount of light. All mice received the same amount of water, the same amount of food, and the same type of food.

What is STOMACH ACID PRODUCED?

500

Identify two CONTROLS: An experiment was designed to investigate the effect of ibuprofen on the amount of stomach acid produced in mice. Two hundred mice were gathered. All mice lived in the same environment with the same temperature and amount of light. All mice received the same amount of water, the same amount of food, and the same type of food.

What is ENVIRONMENT; TEMPERATURE; LIGHT; WATER; FOOD?

Concept 2 Dim. Analys. & Sci. Not.

100

This is the proper scientific notation for 2,950,000.

What is 2.95 x 10⁵?

200

This is the number 9.6 x 10^-3 in standard notation

What is 0.0096?

300

This is how many seconds are in 21 days.

What is 1,814,400 or 1.8x10⁶ s?

400

This is how many pounds (lb) are in 9,602 grams.

What is 21.17 lb?

500

This is how many yards are in 5,500 millimeters (mm)

What is 6.0 yd?

Concept 3 Matter

100

This state of matter has a definite volume and no definite shape.

What is a liquid?

200

Examples of this type of change include chopping wood and steam from a shower.

What is a PHYSICAL CHANGE?

300

These properties are DEPENDENT on the amount of a substance, such as mass and volume.

What are EXTENSIVE PROPERTIES?

400

These are 3 signs that a chemical reaction has taken place.

What is release of LIGHT; sudden TEMPERATURE CHANGE; sudden ODOR CHANGE; COLOR CHANGE; new GAS produced; appearance of a PRECIPITATE (solid)?

500

A marble has a mass of 3.75g. When placed in a graduated cylinder the water level rises from 25 mL to 32 mL. This is the density of the marble.

What is 0.536 g/mL?

Misc. Vocabulary

100

A measure of how much space something takes up.

What is VOLUME?

200

How specific or consistent a measurement is.

What is PRECISION?

300

Objective information collected with senses.

What is OBSERVATION?

400

Data collected based on numbers and measurements; the foundational data in most of Chemistry.

What is QUANTITATIVE DATA?

500

This is a technique for converting numbers into different units without changing their values.

What is DIMENSIONAL ANALYSIS?

Math Matters

100

This is the Kelvin equivalent of 275 degrees Fahrenheit (F).

What is 408.15K?

200

This is how many centimeters (cm) are in 1,800 millimeters (mm).

What is 180 cm?

300

This is the number of significant figures in 850.

What is TWO?

400

This is the number of significant figures in 0.00990

What is THREE?

500

You are conducting an experiment and find the volume of a substance to be 9.85mL. The known volume of the substance is 10.25 mL. This is the percentage error in your measurement.

What is 3.90%?