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IPC Unit 1 Assessment Review Flashcards | StudBud
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IPC Unit 1 Assessment Review
IPC Unit 1 Assessment Review
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Questions
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Answers
1
A pure substance, such as an element or compound, can not be separated physically.
True
False
2
Assuming these molecules are bouncing around inside this box, what is shown in this image?
Liquid
Gas
Solid
3
The worldwide system used by scientists to compare measurements is called the _________?
Worldwide units of measurement
King Henry System
SI System
Science System
4
If raising the temperature increases the speed at which salt dissolves in water, this means the dissolving speed is the?
Constant
Independent variable
Dependent variable
Hypothesis
5
If the molecules in the image below flow around each other, but have no fixed shape then this image shows a ________?
Solid
Element
Gas
Liquid
6
All of the following are indicators of a chemical change except?
The shape has changed.
Light is produced.
Odor being produced.
The color changed unexpectedly.
7
Which of the following is not an element?
Carbon (C)
Water (H2O)
Hydrogen (H)
Oxygen (O)
8
All of the following are physical properties except:
Size
Magnetic
Shape
Flammable
9
If the actual amount of liquid in a container is 4.83mL, which group of measurements is most
accurate
?
4.80mL, 4.82mL, 4.79mL, 4.84mL
4.83mL, 4.85mL, 5.23mL, 4.55mL
5.02mL, 5.5mL, 4.83mL, 4.69mL
4.56mL, 4.54mL, 4.56mL, 4.59mL
10
When working in the lab with heated chemicals, which of these is not necessary to wear?
Closed-toe shoes
Protective gloves
Safety goggles
A lab coat
11
The force that is causing this dumpster to float is called ______?
Volume
Buoyancy
Viscosity
Density
12
Honey is thicker than water, we could also say that honey has a higher ______ than water?
Buoyancy
Mass
Volume
Viscosity
13
If I describe something as sticky, that is a chemical property of that object.
True
False
14
It is possible for something to be both accurate and precise..
False
True
15
What does IPC stand for?
Investigation of Physics and Chemistry
Institutional Physics and Chemistry
International Physical and Chemical Sciences
Integrated Physics and Chemistry
16
All matter is made up of small molecules called ______?
Mixtures
Compounds
Atoms
Elements
17
During a
chemical
change a new substance is always created.
True
False
18
In the world of science, how heavy something is is referred to as that object's _________?
Mass
Density
Volume
Weight
19
It is possible to reverse a chemical change.
True
False
20
The main difference between an element and a compound is _____?
You can see the different parts of a compound but not of an element.
An element is made of one type of atom and a compound is made of 2 or more.
They are the same.
You can see the different parts of an element but not of a compound.
21
We have learned that increasing temperature lowers the viscosity of a liquid, why is this?
The liquid is melting.
Boiling a liquid helps release gas and make it easier to pour.
The molecules spread apart as the liquid starts to transition to a gas.
The liquid's density is dropping making it easier to pour.
22
If I used 50mL of water during every trial of an experiment, the amount of water doesn't change and could be called a?
Constant
Independent variable
Dependent variable
Hypothesis
23
An ice cube melting is an example of a chemical change.
False
True
24
When designing an experiment, one should come up with a _________ that can be tested during the experiment?
Control
Dependent variable
Hypothesis
Independent variable
25
If the molecules in an object have a fixed shape, vibrate in place, and can not be compressed the object is a ________?
Liquid
Solid
Gas
26
How can we best explain what is happening in this video?
The objects and liquids with higher density settle closer to the bottom.
The objects and liquids with lower density settle closer to the bottom.
Certain objects are more buoyant than others.
This must be a magic trick of some kind.
27
A salad is an example of a ______ because you can see all of the different parts and separate them physically?
Homogeneous mixture
Element
Heterogeneous mixture
Compound
28
During an experiment if I change the temperature between trials, this means the temperature is the __________?
Dependent variable
Hypothesis
Constant
Independent variable
29
A student has a chemical splash into their eyes while working on a lab, what should they do next?
Use their shirt to try and dry up the chemical.
Call the teacher over for assistance.
Rub their eyes with their hands and wait to see if it burns.
Use the eye wash station to rinse the chemical out.
