Mixing It Up! Combining Materials to Create New Things

Science Grades 5th Grade 6:49 Video
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Lesson Description

Learn how different materials can be combined through processes like mixing, cooling, and cooking to create new and useful products with different properties.

Video Resource

Combining Materials Part 1 1

Blouberg Ridge Primary

Duration: 6:49
Watch on YouTube

Key Concepts

  • Combining materials creates new substances with different properties.
  • Different processes (mixing, cooling, cooking, drying, firing) change materials.
  • Raw materials are transformed into products.

Learning Objectives

  • Students will be able to define and identify raw materials and products.
  • Students will be able to describe at least three different processes for combining materials.
  • Students will be able to explain how the properties of materials change when they are combined and processed.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what their favorite food is. Then, ask them what ingredients are needed to make that food. Introduce the concept of raw materials and products.
  • Video Viewing (7 mins)
    Play the YouTube video "Combining Materials Part 1 1" from Blouberg Ridge Primary. Instruct students to take notes on the different ways materials can be combined.
  • Discussion (10 mins)
    After watching the video, lead a class discussion about the key concepts presented. Use the discussion questions below to guide the conversation.
  • Interactive Exercise: Material Transformation (15 mins)
    Divide students into small groups. Each group will choose a common product (e.g., bread, cake, concrete) and create a diagram illustrating the raw materials, the process used to combine them, and the resulting product. They should also describe how the properties of the materials change during the process.
  • Wrap-up and Assessment (8 mins)
    Review the key concepts and administer the multiple choice and fill-in-the-blank quizzes to assess student understanding.

Interactive Exercises

  • Material Transformation Diagram
    Students work in groups to create diagrams showing the transformation of raw materials into a product, including the raw materials, process, product, and property changes.

Discussion Questions

  • What are some examples of raw materials?
  • What is the difference between a raw material and a product?
  • Can you name different ways to process raw materials into products?
  • How do the properties of a cake change when you bake it?

Skills Developed

  • Observation
  • Critical Thinking
  • Collaboration
  • Scientific Reasoning

Multiple Choice Questions

Question 1:

What is it called when you mix or join things together?

Correct Answer: Combining

Question 2:

What do we call the list of raw materials that are selected to go into a mixture?

Correct Answer: Ingredients

Question 3:

Which of these is NOT a way to process materials, according to the video?

Correct Answer: Freezing

Question 4:

What is a product made from clay and limestone that gets hard when mixed with water?

Correct Answer: Cement

Question 5:

What is concrete a mixture of?

Correct Answer: Sand, gravel, cement, and water

Question 6:

If something is strengthened with additional material, what is it?

Correct Answer: Reinforced

Question 7:

Plaster of Paris becomes a hard solid when mixed with what?

Correct Answer: Water

Question 8:

What is a thick mixture of a solid and a liquid called?

Correct Answer: Paste

Question 9:

When you bake a cake, the flour, sugar, and eggs are the __________ materials.

Correct Answer: Raw

Question 10:

What do we call the special oven used to dry and harden clay pottery?

Correct Answer: Kiln

Fill in the Blank Questions

Question 1:

When you mix flour, yeast, and water, you can make _________.

Correct Answer: bread

Question 2:

__________ are the items we use to make another product.

Correct Answer: raw materials

Question 3:

Leaving pudding in a cool place to become solid is an example of mixing and _________.

Correct Answer: cooling

Question 4:

When materials are mixed and then _________, they have different properties than the original materials.

Correct Answer: cooked

Question 5:

Bricks are made stronger by __________ drying and firing them.

Correct Answer: mixing

Question 6:

If something mixes completely with water and disappears, it __________.

Correct Answer: dissolves

Question 7:

Cement becomes hard when mixed with __________.

Correct Answer: water

Question 8:

Plaster of Paris is used to make __________ casts for broken bones.

Correct Answer: plaster

Question 9:

A raw egg is soft and liquid, but a __________ egg is solid and rubbery.

Correct Answer: cooked

Question 10:

Adding straw to mud makes bricks stronger. This is called __________.

Correct Answer: reinforcing

Educational Standards

5.PS1.4:[Standard] Conduct an investigation to determine whether the mixing of two or more substances results in new substances. 5.PS1.3:[Standard] Make observations and measurements to identify materials based on their properties.

Teaching Materials

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