BR - More CFA Properties & Changes Practice

Last updated about 1 year ago

10 questions

Required

2

Required

2

PS1.B.2

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1

PS1.B.2

Required

2

PS1.B.2

Required

1

PS1.B.2

Required

2

PS1.B.2

Required

2

PS1.B.2

Library

BR - More CFA Properties & Changes Practice

Last updated about 1 year ago

10 questions

Required

2

Required

2

PS1.B.2

Required

1

PS1.B.2

Required

1

PS1.B.2

Required

2

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless. What is a PHYSICAL property of LIQUID A?
Physical Property: _______ 
Chemical Property: _______ 

PS1.B.2

Required

1

PS1.B.2

Required

1

PS1.B.2

Required

1

PS1.B.2

Required

2

A sample of hydrogen gas and oxygen gas interact and undergo a change. Water is created.

The  Sample Properties Table shows the properties before and after the change. 

In the equation, REACTANTS are on the left of the arrow. The PRODUCT is on the right,

Click on the first blank box to indicate whether the samples underwent a physical or chemical change. Then, click on the second blank box and select evidence to support your choice.
A __________ change has occurred because __________ 

PS1.B.2

Required

2

Give an example of a physical change and a chemical change.
YOU CAN USE EXAMPLES FROM THIS FORMATIVE!!!
Physical Change: _______ 
Chemical Change: _______ 

PS1.B.2

Paper is cut in pieces.
Paper changes from white to black when burned.
Baking soda and vinegar bubble up as a new gas forms when they come in contact with one another.
Baking soda will react with vinegar.
Baking soda is a powdery solid.
Paper is crushed or crumpled.
Paper is flammable.
Paper is white.

PHYSICAL PROPERTY
CHEMICAL PROPERTY
PHYSICAL CHANGE
CHEMICAL CHANGE

Which of the following ALWAYS happens in EVERY chemical change?

Does this show a chemical change?

No. Its atoms are rearranged.

No. It is not a different substance.

Yes. It is a different substance. 

Yes. It is a different state of matter.

Required

1

PS1.B.2

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless. What is a PHYSICAL property of LIQUID A?
Physical Property: _______ 
Chemical Property: _______ 

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless.
Does this show a PHYSICAL CHANGE or a CHEMICAL CHANGE, and how do you know?

Physical change, because it is still a liquid.

Chemical change, because liquid A dissolved in liquid B.

Physical change, because no new substance was made.

Chemical change, because a new substance was made as indicated by the color change and the glowing (emitting light)

A sample of hydrogen gas and oxygen gas interact and undergo a change. Water is created.

The  Sample Properties Table shows the properties before and after the change. 

In the equation, REACTANTS are on the left of the arrow. The PRODUCT is on the right,

Click on the first blank box to indicate whether the samples underwent a physical or chemical change. Then, click on the second blank box and select evidence to support your choice.
A __________ change has occurred because __________ 

Give an example of a physical change and a chemical change.
YOU CAN USE EXAMPLES FROM THIS FORMATIVE!!!
Physical Change: _______ 
Chemical Change: _______ 

Paper is cut in pieces.

Paper changes from white to black when burned.

Baking soda and vinegar bubble up as a new gas forms when they come in contact with one another.

Baking soda will react with vinegar.

Baking soda is a powdery solid.

Paper is crushed or crumpled.

Paper is flammable.

Paper is white.

PHYSICAL PROPERTY

CHEMICAL PROPERTY

PHYSICAL CHANGE

CHEMICAL CHANGE

Which of the following ALWAYS happens in EVERY chemical change?

light flashes

the substance changes color

a new substance is formed

it changes state

heat is released

no new substance is made

bubbles form

Does this show a chemical change?

No. Its atoms are rearranged.

No. It is not a different substance.

Yes. It is a different substance. 

Yes. It is a different state of matter.

Does this show a chemical change?

Yes. It is a different state of matter.

Yes. Yes. There are different substances on each side of the arrow.

No. They are the SAME substances on each side of the arrow.

No. Its atoms are rearranged.

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless. 
Does this show a PHYSICAL CHANGE or a CHEMICAL CHANGE, and how do you know?

Physical change, because it is still a liquid.

Chemical change, because liquid A dissolved in liquid B.

Physical change, because no new substance was made.

Chemical change, because a new substance was made as indicated by the color change and the glowing (emitting light)

An unknown liquid dissolves in water and has a flash point of 12 degrees Celsius (°C). What substance from the chart is it?

gasoline

rubbing alcohol

kerosene

This chart can be used to help identify an unknown substance because it provides information about the__________ of different substances.

physical

atoms

chemical

properties

Does this show a chemical change?

Yes. It is a different state of matter.

Yes. Yes. There are different substances on each side of the arrow.

No. They are the SAME substances on each side of the arrow.

No. Its atoms are rearranged.

An unknown liquid dissolves in water and has a flash point of 12 degrees Celsius (°C). What substance from the chart is it? 

gasoline

rubbing alcohol

kerosene

This chart can be used to help identify an unknown substance because it provides information about the__________  of different substances.

physical

atoms

chemical

properties

BR - More CFA Properties & Changes Practice

BR - More CFA Properties & Changes Practice

Which of the following ALWAYS happens in EVERY chemical change?

Does this show a chemical change?

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless. Does this show a PHYSICAL CHANGE or a CHEMICAL CHANGE, and how do you know?

Does this show a chemical change?

An unknown liquid dissolves in water and has a flash point of 12 degrees Celsius (°C). What substance from the chart is it?

This chart can be used to help identify an unknown substance because it provides information about the__________ of different substances.

In this GIF of two liquids being poured into a flask, Liquid A is on your left and is transparent and yellow. Liquid B is on your right and is transparent and colorless.
Does this show a PHYSICAL CHANGE or a CHEMICAL CHANGE, and how do you know?