DONOW Complete RM 8 Volume 0 8 th

  • Slides: 9
Download presentation
DO-NOW Complete RM 8 Volume 0 8 th Grade Science Record the mass of

DO-NOW Complete RM 8 Volume 0 8 th Grade Science Record the mass of the object on the grid.

Mass of an Object What is the mass of the object? Use the grid

Mass of an Object What is the mass of the object? Use the grid below for your answer. 8 th Grade Science

Mass of an Object 8 th Grade Science

Mass of an Object 8 th Grade Science

Today’s Schedule 1. Do-Now 2. Lab: Identify the Identity of an Unknown Substance 3.

Today’s Schedule 1. Do-Now 2. Lab: Identify the Identity of an Unknown Substance 3. Writing our Letter 8 th Grade Science Objectives: Today we will… -Use water displacement to find the volume of an object. -Calculate density to identify an unknown substance. Dark Matter Essential Questions: -It what ways can we describe the properties of substance? -How do we calculate density?

8 th Grade Science Mrs. Fillpot was given a metal sample by a jeweler.

8 th Grade Science Mrs. Fillpot was given a metal sample by a jeweler. The jeweler said that the price of gold was $40. 42 per gram. He told her it would give her a deal and only charge her $100 for the gold sample in the box. 1. Should Mrs. Fillpot give the jeweler $100 for the sample? 7. 4. 5. 2. 3. 6.

8 th Grade Science Identify the Unknown Metal Problem: Our problem is that… 1.

8 th Grade Science Identify the Unknown Metal Problem: Our problem is that… 1. 7. Materials: 4. 5. 2. Density of Metals Substance Aluminum Brass Copper Gold Iron Lead 6. Density (g/cm 3) 2. 64 8. 55 8. 68 19. 29 7. 77 11. 34

8 th Grade Science Identify the Unknown Metal 1. Procedure: 1. Find the mass

8 th Grade Science Identify the Unknown Metal 1. Procedure: 1. Find the mass of the sample with the triple-beam balance. 2. Find the volume of the sample, using water displacement. 7. 4. 5. Formulas: Volume= Final volumeinitial volume. 2 Density = mass (g) volume (m. L) Data: Mass of Sample =______ Volume of Sample=_______ 6. Density of Metals Substance Aluminum Brass Copper Gold Iron Lead Density (g/cm 3) 2. 64 8. 55 8. 68 19. 29 7. 77 11. 34

8 th Grade Science Dear Mrs. Fillpot, 1. Today in science we… The metal

8 th Grade Science Dear Mrs. Fillpot, 1. Today in science we… The metal sample we tested had a mass of… The metal sample we tested had a volume of… We calculated density by… In conclusion, the identity of the sample is… Based on our measurements, our team recommends that… Sincerely,

How did we… 1. Do-Now 2. Lab: Identify the Identity of an Unknown Substance

How did we… 1. Do-Now 2. Lab: Identify the Identity of an Unknown Substance 3. Writing our Letter 8 th Grade Science Objectives: Today we will… -Use water displacement to find the volume of an object. -Calculate density to identify an unknown substance. Dark Matter Essential Questions: -It what ways can we describe the properties of substance? -How do we calculate density?