Studying Materials Scientifically Question Preview (ID: 38548)


Laboratory Safety, Handling Hazardous Materials, Physical And Chemical Properties Of Substances, Density, Identifying Unknown Substances. TEACHERS: click here for quick copy question ID numbers.

What safety rules should you always follow while doing a science laboratory?
a) Wear safety goggles at all times.
b) Clearly label all chemicals.
c) Tell your teacher immediately if a spill occurs.
d) All choices

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 flammable
b) It is radioactive
c) It is toxic
d) It is not hazardous

What is an example of a mixture can be separated using a filter?
a) water and alcohol
b) iron and sand
c) sand and water
d) saltwater

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) 0.2 g/mL
b) 6 g/mL
c) 4 g/mL
d) 8 g/mL

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) The wooden cube will sink
b) The wooden cube will float
c) The wooden cube will not move
d) None of the choices.

When choosing a material to make a product, such as a soft drink container, an important factor to consider is
a) how much it costs to produce.
b) the environmental impact of the manufacturing process.
c) how easy it is to recycle after the container is used.
d) All choices

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.

Which of the following is a chemical property of a substance?
a) conductor of electricity
b) texture
c) shape
d) reacts with hydrochloric acid

Which of the following is a list of physical properties?
a) density, conductivity, reaction with acid flexibility.
b) reaction with hydrochloric acid, color.
c) temperature change when a chemical is added, texture, density.
d) electrical conductivity, hardness, ability to transmit light.

13. Which of the following is NOT a property of a material?
a) flexibility.
b) shape
c) luster
d) texture

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