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WorksheetsChemical Building Blocks Chapter 1
Total questions: 26
Worksheet time: 13mins
What is the formula for density?
m/v
m*v
v/m
If you say that a certain gas catches fire quickly,
that is a physical property
that is a hypothesis
that is a chemical property
solid, liquid, and gas are all
facts of matter
states of matter
states of mass
Lemonade consists of several substances that are NOT chemically combined. It is...
a compound
an element
a mixture
What is volume?
the amount of space something takes up
the force pushing on the ground
the amount of matter in an object
What is density?
how packed together the particles of a substance are
weight
the amount of space it takes up
What is the density of a block of wood with a mass of 100g and volume of 50cm3?
1
100
2
What is an element?
two elements chemically combined
a compound
the simplest, purest form of matter
Measuring the temperature at which a liquid boils is a..
chemical property
hypothesis
physical property
Volumes of liquid are usually measured with what?
triple beam balance
scale
graduated cylinder
Which of these is a chemical change?
water freezing
a car rusting
a pencil breaking
A firework exploding and giving off light is...
endothermic
exothermic
a physical change
The force between 2 objects in space
gravity
mass
matter
Which is an example of a physical change?
a car rusting
butane gas burning
copper wire bending
Which is an example of an endothermic change?
a firework exploding
ice melting
butane burning
What is an example of a pure substance?
gold
wood
plastic
What is an example of a mixture?
Water
Salt Water
Mercury
H2O This is called a...
chemical recipe
chemical formula
mixture formula
What are elements composed of?
atoms
molecules
compounds
When you can’t find volume using l x w x h… What can you do?
give up
estimate
give it a "bath" in a graduated cylinder
What is a chemical bond?
2 things mixed together
an element
something that is chemically combined in a set ratio
anything that has mass and takes up space is called
element
density
matter
What label do we use to measure mass?
g
cm
lbs.
What is a change that produces one or more new substances?
chemical change
physical change
definite change
When a substance undergoes a chemical change, is it still the same substance?
Yes, always
No
Sometimes
What is the density of a substance if the mass is 21 grams and the volume is 2cm3?
7
9
10.5
