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WorksheetsUnit 1 Matter Test
Total questions: 50
Worksheet time: 29mins
Matter is anything that has:
mass
volume
mass and volume
substance
Mass is a measurement of:
the amount of particles a substance has.
the space an object occupies
Volume is a measurement of:
the amount of particles a substance has.
the space an object occupies
How would you find the mass of an object?
Measure its dimensions with a ruler, and then multiply length x width x height
Water displacement
use a balance/scale
use a timer
How would you find the volume of an irregular shaped object?
use a ruler to measure its dimensions
water displacement
use a balance/scale
use a timer
How could you determine if a golden penny is made of gold?
You wouldn't be able to figure it out.
If it looks like gold, it's gold.
You would test the properties of the gold penny and compare those to the properties of gold.
You would guess.
What is the density of a liquid if its volume is 125 mL and its mass is 50 g?
2.5 g/mL
175 g/mL
0.4 g/mL
6250 g/mL
Is this a physical or chemical change?
Physical
Chemical
Which of the following observations would indicate a chemical change has happened? Select ALL correct answers.
a solid precipitate forms
heat energy is released
breaks into smaller pieces
folded in half
a gas is produced
Bubbles form when water boils. Is this evidence of chemical change?
Yes, because water is changing.
Yes, because the water is reacting.
No, because the vapor is still water.
No, because water doesn't react with anything.
Every chemical change involves a transfer of ______.
mass
volume
density
energy
This is an example of _____ change.
Physical
Chemical
Wood is chopped into small pieces. Then, it is burned to cook food. This is an example of a ____ change followed by a ____ change.
chemical, physical
physical, chemical
physical, physical
chemical, chemical
Which type of change is occurring in the picture?
Chemical
Physical
True/False --- As this water freezes, the change in color means a chemical change has occurred.
True
False
Safety goggles should only be used when working with
an open flame
chemicals
using a mechanical device
all the answers are correct
Sandals are permitted during laboratory experiments.
True
False
Three main rules when working with open flames
tie back long hair
wear gloves
wear goggles
secure loose clothing
Using chipped glassware is permitted during the labs.
True
False
Unused chemical should be returned to original containers.
True
False
When is it appropriate to use the safety shower?
Upon exposure to small amounts of chemicals
If you are on fire
large chemical spills
only when directed by the teacher
Always pour acid into water
True
False
Wash your hands after handling all living organisms.
True
False
If burned during the lab,
Use the safety shower for 15 minutes
rinse the area with cold water
ignore it
tell the teacher
End of class procedures
Turn off appliances, water and gas
Return all materials to the appropriate place.
Disposal of chemicals as directed by the teacher.
Clean your area
Wash your hands
