Room 305: Lab Preparation

Question 1

The prefix for 1/1000 is :

Accepted Answer

milli-

Question 2

This item of equipment is used to measure liquids.

Accepted Answer

graduated cylinder

Question 3

Volatile liquids are explosive. Do not use near an open flame.

Accepted Answer

True

Question 4

We have an eye wash station in our classroom.

Accepted Answer

False

Question 5

A dropper pipette is used to add liquid one drop at a time

Accepted Answer

True

Question 6

The control group in an experiment represents the group given all the normal conditions.

Accepted Answer

TRUE

Question 7

This is used to pick up and hold hot test tubes:

Accepted Answer

test tube holder

Question 8

Turn off all hot plates when not in use.

Accepted Answer

True

Question 9

Observations and measurements recorded during an experiment are called:

Accepted Answer

DATA

Question 10

What is the first step in the scientific method

Accepted Answer

make a hypothesis

Question 11

A Florence flask is used to measure:

Accepted Answer

volume

Question 12

How many meters are in a kilometer?

Accepted Answer

1000

Question 13

32 cm =

Accepted Answer

320 mm

Question 14

You should wear safety goggles in the laboratory when you are:

Accepted Answer

using fire or handling chemicals

Question 15

It's okay to breathe pure gases such as hydrogen, helium, and nitrogen.

Accepted Answer

False

Question 16

Which volume is the largest quantity?

Accepted Answer

3 kL (Kiloliters)

Question 17

To measure the mass of an object or specimen, use this equipment:

Accepted Answer

triple beam balance

Question 18

We have a fire extinguisher, safety shower, and fire blanket in the classroom.

Accepted Answer

False

Question 19

When you work with lab chemicals and Bunsen burners, long hair must be

Accepted Answer

tied back out of the way

Question 20

A factor that changes during an experiment is called a :

Accepted Answer

variable

Questions 20