Elements,compounds,mix[1] Candy Activityalps
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ELEMENTS, COMPOUNDS, AND MIXTURES
Lesson Plan Rationale: Students will need to be able to recognize the difference between elements, mixtures, and compounds in future science classes. Objectives: ₪ Students will be able to identify a substance as an element, mixture or compound correctly Materials: Worksheet for each student, candy- starbursts, toothpicks ( 6 or 7 each student).
Teacher Instructions INTRODUCTION • In class the last couple of days you have been thinking about MATTER. o What is matter? (anything that has mass and takes up space) o Today we are going to take a look at the three classes of matter: Elements, Compounds, and Mixtures. • On the handout there is a list of about 15 substances, I would like you to individually go through the list and write down what you think whether the item is an element (E), compound (C), or mixture (M). • After students are done go through a couple of items on the list o Ask what they are – a lot of times the students will not agree (that is why we are doing this) CANDY ACTIVITY • Give each student about 10 pieces of some type of soft candy (gum drops/ starburst) and 6 or 7 toothpicks • Tell the students that each color of the candy represents a different type of atom on the periodic table. o What is an atom? (the smallest particle that has the properties of an element) • We are going to use these candies to show the difference between elements, compounds, and mixtures • ELEMENTS: o Separate the different types of atoms into piles o By separating the different atoms from each other we have created piles of elements
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o What is an element? (a substance that cannot be broken down into a simpler substance by a chemical reaction) o just like your candy – they cannot be broken down anymore and still be candy! COMPOUNDS: o How will we make compounds? o What do the toothpicks represent? (bonds) o Bonds hold compounds together so use your bonds to make a compound of your choice o Draw this compound on the handout (represent all the colors in the compound) o Have some students share with the class their compound – point out many of the structures they have made occur in chemistry like cubes and rings o Define compound: a substance made of atoms of more than one element bound together o These elements and compounds can be known as PURE SUBSTANCES If you only have iron with iron, it is pure If you have only water with water, it is pure TO BE PURE ONLY ONE SUBSTANCE IS PRESENT MIXTURES: o Using compounds and elements make a mixture o Draw this mixture in the space provided on the handout o What are the differences between mixtures and compounds? (mixtures are many elements and/or compounds close together, while compounds are held together by chemical bonds) Go through the list below again to determine if substances are elements, compounds, or mixtures Tell them the correct answers
Lesson Plan Rationale: Students will need to be able to recognize the difference between elements, mixtures, and compounds in future science classes. Objectives: ₪ Students will be able to identify a substance as an element, mixture or compound correctly Materials: Worksheet for each student, candy- starbursts, toothpicks ( 6 or 7 each student).
Teacher Instructions INTRODUCTION • In class the last couple of days you have been thinking about MATTER. o What is matter? (anything that has mass and takes up space) o Today we are going to take a look at the three classes of matter: Elements, Compounds, and Mixtures. • On the handout there is a list of about 15 substances, I would like you to individually go through the list and write down what you think whether the item is an element (E), compound (C), or mixture (M). • After students are done go through a couple of items on the list o Ask what they are – a lot of times the students will not agree (that is why we are doing this) CANDY ACTIVITY • Give each student about 10 pieces of some type of soft candy (gum drops/ starburst) and 6 or 7 toothpicks • Tell the students that each color of the candy represents a different type of atom on the periodic table. o What is an atom? (the smallest particle that has the properties of an element) • We are going to use these candies to show the difference between elements, compounds, and mixtures • ELEMENTS: o Separate the different types of atoms into piles o By separating the different atoms from each other we have created piles of elements
•
•
• •
o What is an element? (a substance that cannot be broken down into a simpler substance by a chemical reaction) o just like your candy – they cannot be broken down anymore and still be candy! COMPOUNDS: o How will we make compounds? o What do the toothpicks represent? (bonds) o Bonds hold compounds together so use your bonds to make a compound of your choice o Draw this compound on the handout (represent all the colors in the compound) o Have some students share with the class their compound – point out many of the structures they have made occur in chemistry like cubes and rings o Define compound: a substance made of atoms of more than one element bound together o These elements and compounds can be known as PURE SUBSTANCES If you only have iron with iron, it is pure If you have only water with water, it is pure TO BE PURE ONLY ONE SUBSTANCE IS PRESENT MIXTURES: o Using compounds and elements make a mixture o Draw this mixture in the space provided on the handout o What are the differences between mixtures and compounds? (mixtures are many elements and/or compounds close together, while compounds are held together by chemical bonds) Go through the list below again to determine if substances are elements, compounds, or mixtures Tell them the correct answers
