SCIENCE 7 QUARTER 1, WEEK 5 SUBSTANCES AND MIXTURES Distinguish mixtures from substances based on a set of properties. LEARNING ACTIVITY SHEET Student’s Name: _________________________________ Grade and Section: ______________________________ Teacher: ________________________________________ Reminders: This answer sheet/Worktext shall be returned to your teacher on Friday for checking, recording and feed backing purposes. Contact your Science Teacher for any inquiries/questions. You may use and attach another sheet of paper when necessary. PART I A. DIRECTIONS: Identify the following samples if it is a MIXTURE or SUBSTANCE. Write your answer on the space provided. ______________ 1. Acetic acid ______________ 2. Butter _______________9. Ink _______________10. water ______________ 3. Diamond ______________ 4. Steel ______________5. Rubbing alcohol ______________6. Sulfur _______________11. Pizza _______________12. Sugar _______________13. Hydrogen ______________7. Gold Bar ______________8. Baking Soda _______________14. Coffee _______________15. Sand Guide Questions: 1. How did you identify whether the samples are substances or mixtures? _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 2. Are substance and mixture essential to our daily living? Write a brief explanation of your answer. _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ B. Directions: Write FACT if the statement is correct and write BLUFF if the statement is incorrect. Write your answer on the space provided. _________1. Mixture comes in different concentration. _________2. Mixture has a unique set of properties from its original composition. _________3.Substance can be separated from its original composition. _________4. In heterogeneous mixture, the make-up is uniform, and every constituent of the mixture has the same properties. _________5. Mixture can undergo the processes of filtration and distillation. _________6. Mixture and substance are form of matter. _________7. Flour and sugar may be combined to form a mixture. C. Directions: Underline the word if it is a substance and encircle if it is a mixture. The word can be arranged in vertical, horizontal and diagonal only. A C S A G D L H M L D L C L H A D S H Y K A S W L O U L L B A O T O Y P I O M M O E L H D I E O A Y F B I R R O F I L L N P A I I N I G O L D O E A K I X N U N H D C I P M I P O E E M E O L I K L E S L L D K I M I L K D S N E L P L J S U C R O S E T L P U R E Guide Questions: 1. How many substances and mixtures did you find? What are they? _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 2. What is the difference between a substance and a mixture? _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 3. Is mixture can be separated from its physical components? If yes how? _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________