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Worksheets1st 6 Weeks Unit Review
Total questions: 62
Worksheet time: 4hrs 7mins
Name
Class
Date
1.
If you accidentally wear contact lenses in the lab, what should you do?
a)
A. Not tell anyone
b)
B. Not wear goggles
c)
C. Tell the teacher
d)
D. Borrow someone else's glasses
2.
If a lab fire erupts, immediately:
a)
A. Notify (or tell) your teacher
b)
B. Run and scream
c)
C. Throw water at the fire
d)
D. Open the windows
3.
Why are approved eye protection devices (such as goggles) are worn in the lab?
a)
A. To improve your vision
b)
B. To make you look like a bug
c)
C. To give you headaches
d)
D. To protect eyes around chemicals, heat, or glassware
4.
Personal eyeglasses provide as much protection as:
a)
A. A shield
b)
B. Goggles
c)
C. A mask
d)
D. None of the above
5.
You are working in the lab using glassware. Your partner drops a glass beaker and it shatters. A piece of glass gets in his eyes. What should he have been wearing?
a)
A. Gloves
b)
B. Sun glasses
c)
C. Safety Goggles
d)
D. A lab aporn
6.
You are in lab and your partner accidentally gets their hair stuck in a triple beam balance. What should have your partner done?
a)
A. Worn a hat in class
b)
B. Skipped class
c)
C. Got a hair cut
d)
D. Tied/pulled their hair back
7.
If you have been injured in the lab, what should you do first?
a)
A. Apply the first aid yourself
b)
B. Go to doctor after school in a few hours
c)
C Tell your science teacher immediately
d)
D. Not tell anyone
8.
What should you do when gathering materials for an experiment?
a)
A. Read all directions carefully
b)
B. Check all materials for chips or cracks (or broken)
c)
Clean the materials if they seem dirty/used
d)
D. All of the above
9.
Flammable materials should never be dispensed (or used) near:
a)
A. An open door
b)
B. An open flame
c)
C.Another student
d)
D. A sink
10.
If you get something in your eyes, how long do you need to use the eyewash station?
a)
15 - 20 seconds
b)
5 minutes
c)
15 - 20 minutes
d)
Don't use the eyewash.
11.
If you see a science experiment set up in the classroom...
a)
do not touch anything until instructed.
b)
immediately begin working on the lab.
c)
go and check all equipment.
d)
walk around and check each station.
12.
Horseplay or practical jokes in the laboratory are...
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
okay if you are working alone.
13.
You may eat or drink in the science laboratory...
a)
after you have washed your hands.
b)
on the days you are not doing a lab.
c)
only from the beakers.
d)
at no time unless given teacher approval.
14.
Safety goggles are worn in the laboratory...
a)
to avoid eye strain.
b)
to improve your vision.
c)
only if you don't have corrective glasses.
d)
any time chemicals are used or glassware is heated.
15.
Which of the following should not be worn during laboratory activities?
a)
loose clothing
b)
dangling jewelry
c)
open-toed shoes
d)
all of the above
16.
You have been injured in the laboratory (cut, burn, etc.) The FIRST thing you should do is...
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the science teacher straight away.
d)
apply first aid to yourself.
17.
After completing an experiment in the lab, all chemical wastes should be:
a)
poured down the sink.
b)
disposed of according to the teacher's directions.
c)
thrown at other students.
d)
taken home to play with.
18.
You are heating a substance in a test tube. Always point the open end of the tube...
a)
away from all people.
b)
toward another classmate.
c)
toward your lab partner.
d)
toward yourself.
19.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
20.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
21.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
22.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
23.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
24.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
25.
Which elements are found on the left to middle of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
26.
Describe what luster means
a)
How an object reflects light
b)
How soft an object is
c)
If an object floats
d)
If an object can be dug out of the earth.
27.
I have an object that is dull, brittle, and an insulator, what is it?
a)
metalloid
b)
non-metal
c)
metal
d)
matter
28.
When an object shatters when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
29.
When an object changes shape when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
30.
If you have a material that can conduct electricity well it is probably a...
a)
Metalloid
b)
Matter
c)
Non-metal
d)
Metal
31.
The table shows the classification and physical state of four elements.Which element most likely has a shiny luster?
a)
Cobalt
b)
Arsenic
c)
Hydrogen
d)
Carbon
32.
The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?
a)
Good conductor of thermal energy
b)
Poor conductor of electricity
c)
Shiny, lustrous surface
d)
Soft and malleable
33.
What physical properties are used to classify elements as metals, non-metals, or metalloids?
a)
Color, smell, physical state
b)
Reactivity, streak, hardness
c)
Ability to burn, mass, density
d)
Luster, conductivity, malleability
34.
Which of the following would help a student classify an unknown element as a metal, metalloid, or non-metal?
a)
Measure its conductivity
b)
Determine its density
c)
Find its melting point
d)
Observe its color
35.
All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —
a)
texture
b)
conductivity
c)
luster
d)
malleability
36.
The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?
a)
(A) Metals, (B) Non-metals, and (C) Metalloids
b)
(A) Non-metals, (B) Metalloids, and (C) Metals
c)
(A) Metals, (B) Metalloids, and (C) Non-metals
d)
(A) Non-metals, (B) Metals, and (C) Metalloids
37.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
38.
Non-metals are good conductors of heat and electricity.
a)
TRUE
b)
FALSE
39.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
40.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
41.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
42.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
43.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
44.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
45.
Which elements are found on the left to middle of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
46.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
47.
Iron is a good conductor, malleable and magnetic. What type of element is Iron?
a)
Metal
b)
Nonmetal
c)
Metalloid
48.
Which element is least likely to conduct heat and electricity?
a)
O
b)
Si
c)
Po
d)
Ca
49.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
50.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
51.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
52.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
53.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
54.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
55.
If the mass of an unknown substance is 5.3 grams and the volume is 2 cm3. What would be its density? (round)
a)
2.7
b)
2.5
c)
2.4
d)
2.2
56.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
57.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
58.
Calculate the density of the cube.
a)
.33 g/cm3
b)
.4 g/cm3
c)
.6 g/cm3
d)
.5 g/cm3
59.
Calculate the density of the cube.
a)
3 g/cm3
b)
4 g/cm3
c)
2 g/cm3
d)
5 g/cm3
60.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
61.
A block has a mass of 54g and a volume of 20cm3. What is the density of the block?
a)
74 g/cm3
b)
1080 g/cm3
c)
34 g/cm3
d)
2.7 g/cm3
62.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
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