Pure substances and mixtures (2-hour)

Session 1

After 

Activity 1. Fulfill the following table with examples and its drawings of composed substances and mixtures that you know from your daily life. 

Activity 2. Fill the gaps in the following text

If the particles of a substance are formed by atoms _________ is a simple substance, but they are different, the substance is __________. If the particles are very ________, the physical will be gaseous, whereas if you are then ordered ________.

Activity 3. Watch video 1 in the link provided. Its name is 

After watching the video, answer the following questions: 

1. Which experimental observation concludes that the atom needs to be empty?
2. What justifies that there need to be electrons orbiting around it?

Session 2

 Activity 4. Building atoms on an online simulator. Fill out the following characteristics for each atom. 

Activity 5. Using the periodic table provided in link 3, answer the following questions:

1. Name of Fe
2. Symbol of magnesium
3. Metallic character of Fe
4. Symbol of silver
5. Name Be
6. Metallic character of manganese

Activity 6. Using your periodic table, fill in the names of the elements in brackets to make a funny story.

Source: http://curriculumforexcellencescience.weebly.com/uploads/6/9/6/9/6969384/the_gold_dust_kid_answers.pdf

The kid mounted his trusted steed, old (B)_______. His shooting (Fe)______ strapped to his side, he headed out for the bright (Ne)______ lights of Sabattus, aiming to rob the litchfield stage. There was sure to be a load of precious (U) ______ aboard, and probably (K) ________ too. Inhaling a deep breath of (O) _______. he coughed on the (S) ________ from the nearby mills. Since the (Hg) ________ was climbing, he quenched his thirst with some H2O, tasting the (Cl) _________ all big cities like wales had. As he headed north his bones ached from (Ca) _______ deposits built up over the years of riding the (Zn) ______ trail. Overhead a  (He) ______ filled balloon floated in the breeze: the sun beat down like burning (P)_______.

Soon he spotted the stage, guarded only by a sheriff with a (Sn) ______ badge. 'Halt,' he yelled, 'or i'll fill you full of (Pb)_____' the shridd drew his gun, but alas, was too slow. The Kid's gun, blazing like flaming (Mg)________ did the (Cu) ________ in. Anyone who drew on the kid should know his life wasn't worth a plugged (Ni)_______. A (Pt) ______ blonde riding beside the (Al) _________-framed coach rode for her life when the kid pulled out some (N) ________ compounds, preparing to blow the safe to atoms.

Suddenly, a shout rang out 'hi ho (Ag) ______ and a masked man on a white horse raced across the (Si) ______ sands like (Na) ______ skittering on H2O. A (H)__________ bomb would not have stopped the lawman; the kid had met his doom. The rest of his life was to be spent behind (Co)________ steel bars, a warning to all who flirt with danger. Your first detention may be the initial step in a (C)______ copy life of the saga of the (Au)_______ Dust Kid.