Chemical Change
Physical Change
Chemical Change 2
Physical Change 2
Physical and Chemical Change
Random
Chemistry
100

Give 4 examples of chemical change.

Iron rust, gas burning, slime making, necklaces tarnishing, etc.

100

Whipping eggs, boiling water, dissolving sugar, dicing vegetables are 4 examples of what?

Physical Change

100

What produces when a chemical change reaction is released?

Gas

100

What is physical change?

A physical change is a change in a substance that does not change what the substance is.

100

SLIME is an example of what change?

Chemical Change

100

What is the largest mammal in the world?

Blue Whale

100

Draw the electron configuration of Lithium


200

How many substances join to form new chemical properties?

Two or more

200

Give 3 evidences of physical change.

Change in form, change in shape, change in size, change in phase.

200

Occurs when what molecules are interacted and the molecules change into a new substance.

Chemical Reaction

200

Is shredding paper a physical change?

Yes!

200

Give one example of physical change and one example of chemical change.

...

200

What is the most common M&M color?

Blue

200

Where are electrons found and what charge do they have?

Location: outer shell

Charge: negative

300

When a chemical reaction between substances gets heat, it is all because of what element?

Oxygen

300
Give the physical change of a candle.

When the candle burnt down, it will goes back into the same form, it's still a candle.

300

Two things come together to form something new. This is what type of chemical reaction?

Composition Reaction

300

Mixing sand and water is

A physical change

300

What are the chemical reactions in making a slime?

The glue solution changes from being very liquidly to a rubbery kind of stuff.

300

What is the record for the world record for most hotdogs eaten?

Joey Chestnut with a whopping 73 hot dogs

300

Where are neutrons found and what charge do they have?

Location: nucleus

charge: neutral (0)

400

Give 3 examples of a chemical change.

Rusting, tarnishing, decomposing, polymerization

400

What are the main states of mater?

Solid, liquid, gas

400

During a chemical change energy can be released in the form of?

Heat and Light

400

Give an example of a change in size physical change.

Ex. Cutting a paper

400

What is the difference between a physical change and chemical change?

A chemical change there is a change in the substance and in physical change there is a difference in the appearance.

400

How close (in metres) is the closest McDonalds?

550 m

400

Draw the electron configuration of Sodium


500

Bonds between atoms are broken and created to form what?

To form new molecules

500

Give four PHASES of change in a physical change.

Melting, boiling, evaporation, condensation, freezing, sublimation, deposition.

500

A chemical reaction that absorbs energy in the form of heat is called?

ENDOTHERMIC

500

Give a solid to liquid type of physical change.

Ice melting 

500

Give an example of both a physical and chemical change.

Lighting a candle.
500

Who has the most followers on Instagram?

Instagram! The platform’s channel is the most followed. Second place goes to footballer Cristiano Ronaldo.

500

What happens to the atoms when they are being heated?

When atoms are heated, they gain kinetic energy, causing them to vibrate and move faster.