Unbenannte Präsentation

Multiple Choice

What is chemistry ?

• is anything that has mass and takes up volume.

• is study of composition, structure, properties, and reactions of matter.

• is another word for all substances that make up our world.

Multiple Choice

What is a non-food use of flour in household tasks?

• As a cleaning agent for stainless steel

• To polish wood furniture

• As a natural glue for paper mache

• To remove oil stains from fabric

Multiple Choice

A chemical change happens when...

• substance is changed at the atomic level 

• bonds are broken and formed 

• new substance is made

• all of the above! 

Multiple Choice

Chemistry is

• a characteristic of a substance that can be observed without changing the substance into another substance.
• the study of matter and how matter changes.
• anything that has mass and takes up space.
• a rapid reaction between oxygen and a substance called a fuel.
  

Multiple Choice

After blowing out the flame on the candle, James noticed the wick changed from white to black, this is a

• Physical Property
• Physical Change
• Chemical Property 
• Chemical Change 

Multiple Choice

A mystery powder was found on the counter of the science classroom. Use the information to identify the powder. The powder is soluble in water, does not change color in iodine and has a density of 1.6.

• The substance is salt.

• The substance is sugar.

• The substnce is flour.

• The substance is cornstarch.

Open Ended

Welche Merkmale und Eigenschaften kann man Stoffen zuordnen?

Multiple Choice

What are the properties and characteristics of matter listed in the image?

• Aggregate state (solid-liquid-gas)

• Color

• Surface texture

• Behavior in water

Multiple Choice

What are molecules and how do they form?

• They are made of atoms that are not connected

• They are formed when two or more atoms bond together

• They are only found in gases

• They are always made of the same type of atom

Multiple Choice

What are the characteristics of elements and molecules as described in the text?

• Elements are the simplest form of matter

• Molecules are formed when two or more atoms bond

• There are 118 known elements

• All elements have unique physical and chemical properties

Multiple Choice

What is the significance of Dmitri Mendeleev in the context of the periodic table?

• He discovered 118 elements

• He organized elements based on their properties

• He created elements in the lab

• He was the first to name the periodic table

Multiple Choice

What does the 6 represent?

• Atomic mass

• atomic number

• chemical symbol

• element name

Multiple Choice

How many different TYPES of ATOMS are in this image?

• 1

• 2

• 3

• 4

Multiple Choice

Which of the following is the only subatomic particle that can be gained or lost by an atom and is used in electricity?

• a

• b

• c

• I have no idea!

Open Ended

1. Use the data in the chart…

a. What would our average atomic mass be closest to?

b. Calculate the percent abundance of each isotope

c. Calculate the average atomic mass of the sample.

d. Which element do you believe this is?

Multiple Choice

How many neutrons does a Hydrogen atom have?

• 1
• 2
• 3
• 0

Fill in the Blanks

Multiple Choice

What does the Ne in this periodic table square represent?

• atomic number

• atomic symbol

• atomic mass

• scientific name

Poll

Wie sicher fühlen Sie sich jetzt in Bezug auf dieses Thema?

• Sehr zuversichtlich
• Etwas zuversichtlich
• Nicht zuversichtlich

Poll

Wie sicher fühlen Sie sich jetzt in Bezug auf dieses Thema?

• Sehr zuversichtlich
• Etwas zuversichtlich
• Nicht zuversichtlich