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Test 1 Review 2021
Question | Answer |
---|---|
kills bacteria on goggles between labs | germicidal monitor |
This cannot be heated. We use either 10ml, 25ml, 50ml, or 100ml sizes for our labs. Used to find the volume of liquids. | graduated cylinder |
supports an oring or test tube clamp, so a bunsen burner can be used. | ring stand |
measures voltage, current, and resistance | multimeter |
Temperature in which a substance changes from a solid phase to a liquid phase. | melting point |
Temperature at which a substance changes from the liquid phase to the solid phase. | freezing point |
mass/volume | Density |
two-led semiconducting light source | LED |
Heavy glass object used to demonstrate vacuum | bell jar |
Example of a substance with the number 7 on the ph scale. | water |
Volume = pi * radius squared * height | cylinder |
Used to hold liquids. It has a conical body, long neck, and a flat bottom | erlenmeyer flask |
Used to hold liquids. Has a round body, single long neck, and a flat bottom | florence flask |
A circular concave piece of glass used in chemistry | watch glass |
Starting from the left on the metric conversion chart. This is the third box over. | deka |
Starting from the left on the metric conversion chart. This is the 6th box over. | centi |
Starting from the left on the metric conversion chart. This is the 2nd box over. | hecto |
Starting from the left on the metric conversion chart. This is the 7th box over. | milli |
Starting from the left on the metric conversion chart. This is the first box. | kilo |
Starting from the left on the metric conversion chart. This is the fourth box over. | meter, liter, gram |
Starting from the left on the metric conversion chart. This is the 5th box over. | deci |
This unit measures the amount of space something takes up. | volume |
This unit measures distance | meter |
This unit measures the amount of matter in an object | mass |
How many centimeters are in 1 inch | 2.54 |
Experiment run without the variable in order to show that any data form the experiment was due to the variable. (Normal) | Control |
The one factor being tested during an experiment | independent variable |
This depends on the independent variable. This is the data collection. Observe and record information. What is suppose to happen. | dependent variable |
An educated guess | hypothesis |
This is where you explain the data you gathered. You explain if your hypothesis was right or wrong. | conclusion |