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Studying Materials Scientifically
Test Description: Laboratory safety, handling hazardous materials, physical and chemical properties of substances, density, identifying unknown substances
Instructions: Answer all questions to get your test result.
1) What safety rules should you always follow while doing a science laboratory?
A
Wear safety goggles at all times.
B
All choices
C
Clearly label all chemicals.
D
Tell your teacher immediately if a spill occurs.
2) The label on a container of a drain cleaner says: Harmful or fatal if swallowed. Causes severe irritation to eyes, skin, mouth, and clothing. Which type of hazard does the drain cleaner pose?
A
It is not hazardous
B
It is flammable
C
It is radioactive
D
It is toxic
3) What is an example of a mixture can be separated using a filter?
A
iron and sand
B
water and alcohol
C
saltwater
D
sand and water
4) Jane measures a piece of metal and determines it has a mass of 12 grams and a volume of 2 mL. What is the density of the piece of metal?
A
8 g/mL
B
6 g/mL
C
4 g/mL
D
0.2 g/mL
5) A wooden cube has a mass of 9g and a volume of 3 cm³. Water has a density of 1 g/cm³. Will the wooden cube float or sink in water?
A
None of the choices.
B
The wooden cube will sink
C
The wooden cube will not move
D
The wooden cube will float
6) When choosing a material to make a product, such as a soft drink container, an important factor to consider is
A
All choices
B
the environmental impact of the manufacturing process.
C
how much it costs to produce.
D
how easy it is to recycle after the container is used.
7) The life cycle of a product refers to
A
the stages from when the product is made until it is disposed of.
B
the raw materials used to make the product.
C
the marketing that is used to sell the product.
D
None of the choices.
8) Which of the following is a chemical property of a substance?
A
texture
B
shape
C
reacts with hydrochloric acid
D
conductor of electricity
9) Which of the following is a list of physical properties?
A
temperature change when a chemical is added, texture, density.
B
electrical conductivity, hardness, ability to transmit light.
C
reaction with hydrochloric acid, color.
D
density, conductivity, reaction with acid flexibility.
10) 13. Which of the following is NOT a property of a material?
A
shape
B
texture
C
luster
D
flexibility.
*select an answer for all questions
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