# IPS Study Guide

## Lab Safety

Goggles must be ____________________________________ until Mr. Leeds says to take them off.

In case of an emergency the nurse ext. is _______________________.

Safety Equipment in the Classroom:

• _______________________________
• _______________________________
• _______________________________
Never ____________________ solid or powdered chemicals.

Always ________________________ your hands after a lab.

List two important rules about glass

1. _____________________________________________
2. _____________________________________________

True or False:

You may walk away from a lit burner.

Always pull you hair back.

Make sure the burner is capped and the flame is out when done.

Answer are in the document below

## BOX QUESTION 1

Baking Soda is used in baking because of the gas it creates

50 cm cubed

## BOX QUESTION 4

Box a has a greater volume because even though the length of box b is bigger the height and width of box a is bigger, causing the volume to be bigger.

7 cm cubed

## BOX QUESTION 6

6a. 8 cubes

6b. 27 cubes

6c. cube a- 8 cm cubed

cube b- 27 cm cubed

## BOX QUESTION 7

box 1 is 4,500 cm cubed

box 2 is 6,000 cm cubed

## BOX QUESTION 8

As the surface of the cone increases the depth decreases causing the lines to become closer together.

9a. I- 1.2 cm

II- 3.7 cm

9b. III- 1.65 cm

IV- 2.51 cm

V- 4.50 cm

a) 0.1

b) 0.2

a) 4 cm cubed

b) 1.30 cm cubed

## BOX QUESTION 12

12 cm they could have rounded up from 11.5 and down from 12.4

12.0 cm they could have rounded up from 11.05 and down from 12.04

12.00 cm they could have rounded up from 11.005 and down from 12.004

## BOX QUESTION 13

The markings on the skinnier and taller one would be farther away from each, making itt easier to read.

## Heating Baking Soda

Lab 1.1 Heating Baking Soda

## VOLUME

volume= LxWxH (AxBxC)

use a graduated cylinder to measure volume of liquids.

*ALWAYS check the interval or scale*

1 mL=1 cm cubed

## BALANCE

use a balance to find the weight of an object

*ALWAYS "zero" the balance before you measure the object