Final Exam Practice Test

A solid:

• Has a definite shape and volume

• Has a definite volume but no shape

• Has a definite shape, but no volume

• Has neither a definite volume or a definite shape

What is a pure substance?

• It is a solid, liquid or gas that is made up of particles

• It is made up of two or more particles

• It is made up of at least two different particles, yet it appears to be one substance

• It is a substance in which all of the particles are identical

Anything that takes up space and has mass is _________:

• A compound

• An element

• Matter

• Plasma

Which of the following statements does not describe fluids?

• They take up space

• They may be poured

• They level out flat when poured

• They always take the shape of their container

Which of the following statements are a part of the particle model of matter? i. All particles in a pure substance are the same ii. All substances are made of tiny particles iii. Solid particles are at a state of rest iv. Particles have spaces between them

• i and iii

• i, ii, and iv

• ii and iv

• All of them are part of the particle model of matter

Mixtures can be divided into the following 2 groups:

• Elements and compounds

• Homogenous and heterogenous

• Solution and matter

• Pure and impure

True or False: An inflated balloon is an example of an enclosed fluid transmitting pressure equally in all directions.

• True

• False

Match the following WHMIS symbols with their appropriate name.

• Poisonous and Infectious Causing Other Toxic Effects

• Oxidizing Material

• Flammable

• Dangerously Reactive

Which of the following statements apply to a hydraulic system? i. Applies a force ii. Is always in an open (not closed off) system iii. Uses the pressure of a liquid

• i and ii

• i and iii

• ii and iii

• All of them apply to hydraulic systems

When you are in a boat on a lake and it starts to fill with water, you need to take the water from the boat using a bucket and put it back into the lake in order to stay floating. Why is it that your boat floats with you inside of it, but it will start to sink when it fills with water?

• The average density of the boat with water in it becomes higher than the average density of the body of water

• The average density of the boat with water in it becomes lower than the average density of the body of water

• The boat with water in it is adding too much pressure to the body of water

• The boat with water in it is too heavy