Observable Properties
What are two observable properties of a solid object
Color and Size
What do we call the process of testing materials to see which one is best for a job?
Experimenting
What does it mean to disassemble an object?
To take something apart
What happens to ice when it melts?
It turns into water
Name one physical characteristic of your classroom.
Answers will vary:
Color of the classroom walls, color of the rug, size of the desks, color of the chairs.
Name a material that is hard and can be seen through.
Glass
If you were making a raincoat, what property would you want the material to have?
Waterproof
Can you name a toy that can be taken apart and put back together?
Legos, magnatiles, unifix cubes, or use your best discretion
Can cooking an egg be reversed? Why or why not?
No, it is a chemical change
How do you think trees are important to your environment?
The provide oxygen and shade
What property might you use to tell if an object is heavy?
Weight
Why is it important to analyze data when testing materials?
To make informed decisions
What is one way to make a new object from old pieces?
To combine them creatively
What is an example of a change that can be reversed?
Water turning into ice and back again- a physical change
What is an example of a place that has a special meaning to you?
Answers will vary:
Home, park, school
How can you tell if a material is a liquid?
It moves freely within a container
Name a material that would be good for making a blanket.
Something soft and warm
How can you use small pieces to make something new?
By rearranging them or using them to make something new
How do temperature changes affect material properties?
It has the ability to change the property- change from a solid into a liquid, or a liquid into a gas
Why do places have different values?
They have historical differences, and different events happen there
What is one property that can be used to classify materials as metals?
They conduct heat and electricity
OR
They can be magnetic
What can we learn from comparing materials during an investigation?
How different materials work and why they have different uses
Why is it important to understand how objects can change form?
To help us reuse materials and understand how things are put together.
Can you name 3 examples of a chemical change?
Answers will vary:
Rusting chains, color change, baking a cake
How can understanding our environment help us care for it better?