FLASHBACKS

FLASHBACKS!1. Which of the following items is approximately 1 gram?

A. TextbookB. PaperclipC. Bottle of WaterD. Petri dish

2. Mass is best described as _______________________.A. how much an object weighs.B. how large an object is.C. how much matter is in an object.D. how much space an object occupies.

3. 4. Using the metric system, mass is often measured in units of :A. grams.B. liters.C. grams/liter.D. ounces.

FLASHBACKS!1. What is the first thing you should do when using a

triple beam balance?A. Start measuring the mass of you object.B. Turn all of the balances to “0” and then measure.C. Check to see if your balance is level and needs adjusting.

2. What is feldspar? A flower, a type of coral, or a mineral?

3. We use the olfactory system in our body to do what? Smell

4. Which Ohio-born inventor held over 1,000 patents, including one for the invention of the motion-picture projector? Thomas Edison

FLASHBACKS!

1. Which gaseous chemical element glows reddish orange when an electric charge passes through it? Neon

2. Which star lies closest to the earth? Sun

3. Which two colors are most frequently confused by color-blind people? Red and Green

4. What bloodsucking worms have been used by doctors for over 2000 years to maintain blood circulation during delicate operations? Leeches

FLASHBACKS!

1. _________ refers to the amount of matter in an object.

2. The base unit of mass in the metric system in the ________________ and is represented by kg.

3. The base unit of volume in the metric system in the __________ and is represented by ___ or ____.

4. The basic unit of length in the metric system in the _________ and is represented by a lowercase ____.