Grade 6: Review for Mid-term 2 test, March 2022

Grade 6: Review for Mid-term 2 test, March 2022

By Kia Alinsog

Test Coverage

Boiling

More changes of state

​Diffusion

Gas Pressure

Observing cells​

Boiling

Multiple Choice

What is the boiling point of water?

• 0 degrees Celsius

• 50 degrees Celsius

• 100 degrees Celsius

Multiple Choice

Boiling is . . .

• solid to liquid

• liquid to gas

• gas to solid

Multiple Choice

When a liquid reaches the temperatures of its ___, it can become a gas.

• Boiling point

• Melting point

• Freezing point

Multiple Choice

When a solid reaches the temperatures of its ___, it can become a liquid.

• Boiling point

• Melting point

• Freezing point

Multiple Choice

All substances have the different boiling point.

• True

• False

More changes of state and Diffusion

Multiple Choice

A substance has a melting point of 25 degrees Celsius and a boiling point of 450 degrees Celsius.

What state is it at 15 degrees Celsius?

• Solid

• Liquid

• Gas

Multiple Choice

A substance has a melting point of -125 degrees Celsius and a boiling point of -35 degrees Celsius.

What state is it at 11 degrees Celsius?

• Solid

• Liquid

• Gas

Multiple Choice

A substance has a melting point of -25 degrees Celsius and a boiling point of 35 degrees Celsius.

What state is it at 21 degrees Celsius?

• Solid

• Liquid

• Gas

Multiple Select

What are the two differences between boiling and evaporation? Choose two.

• Mass

• How particles leave the liquid

• Temperature

• Change of state

Multiple Choice

What is solid to gas?

• Evaporation

• Condensation

• Sublimation

Multiple Choice

What is gas to liquid?

• Evaporation

• Condensation

• Sublimation

Multiple Choice

What is liquid to gas?

• Evaporation

• Condensation

• Sublimation

Multiple Choice

Which state diffusion can not happen?

• Solid

• Liquid

• Gas

Multiple Choice

Which state diffusion can happen the fastest?

• Solid

• Liquid

• Gas

Multiple Choice

In which temperature of water will diffusion happen the fastest?

• Hot water

• Tap water

• Cold water

Multiple Choice

Which particle size will diffuse faster?

• Big particle

• Small particles

Gas pressure

Multiple Choice

In which container do the particles have a greater kinetic energy?

• Hot container

• Cold container

Multiple Choice

In which container do particles collide with the walls more frequently, and with more force?

• Hot container

• Cold container

Multiple Choice

Pressure in gases is a measure of:

• the force of the collisions of the particles with the side of the container.

• the amount of space taken up by the particles in the container.

• the amount of particle outside the container.

Multiple Choice

Particles that are cooler tend to . . .

• have a higher kinetic energy

• have a lower kinetic energy

• move faster

Multiple Choice

How can the pressure of the gas inside the container be increased?

• Open the container

• Close the container tightly

• Heat up the container

• Cool down the container

Multiple Choice

If a can food is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase.

• The pressure will decrease.

• The pressure will equalize.

Observing cells

Fill in the Blanks

What is the smallest unit found in a living organism?

Write your answer in small letters.

Multiple Choice

What equipment is used to observe cells?

• magnifying glass

• microscope

• thermometer

Multiple Choice

What is this?

• objective lens

• eyepiece

• slide

Multiple Choice

What is this?

• eyepiece

• light

• coarse focus

Multiple Choice

What is this?

• eyepiece

• fine focus

• objective lens

• stage

Multiple Choice

What is this?

• slide

• stage

• light

• eyepiece

Multiple Choice

What power do you start with when using a microscope?

• low power

• medium power

• high power

Fill in the Blanks

Gia Linh’s ocular lens/eyepiece has a power of 40x. She is looking at a cell under an objective lens of 20x.

What will be the total magnification of the object she is looking at?

Fill in the Blanks

Anh Khoi’s ocular lens/eyepiece has a power of 50x. He is looking at a cell under an objective lens of 40x.

What will be the total magnification of the object he is looking at?

x

Multiple Choice

If the total magnification of a microscope is 2 000x with the use of a 10x eyepiece, what is the magnification of the objective lens?

• 2 000x

• 200x

• 20x

• 2x