Physical Changes and Material Properties Quiz

What is the key concept 1 of the lesson?

• We can observe and demonstrate how materials change when they are cut, folded, sanded, or melted.

• We can select materials for a specific use based on their physical properties.

• Students will explore how cutting, folding, sanding, and melting only result in chemical changes.

• Specific materials can be combined to perform actions that the parts alone will not be able to do.

What happens when wood is cut or sanded?

• The wood becomes more durable.

• The size, shape, and texture of wood are changed, but no new substance is created.

• The wood becomes softer.

• A new substance is created.

What is the key concept 2 of the lesson?

• We can observe and demonstrate how materials change when they are cut, folded, sanded, or melted.

• Specific materials can be combined to perform actions that the parts alone will not be able to do.

• We can select materials for a specific use based on their physical properties.

• Students will explore how cutting, folding, sanding, and melting only result in chemical changes.

Why is cardboard great to ship things in but would be a poor choice for making a boat?

• It would soak up water and sink if used to make a boat.

• It is sturdy enough for shipping.

• It is lightweight and waterproof.

• It is durable and renewable.

What is the key concept 3 of the lesson?

• Students will explore how cutting, folding, sanding, and melting only result in chemical changes.

• We can select materials for a specific use based on their physical properties.

• Specific materials can be combined to perform actions that the parts alone will not be able to do.

• We can observe and demonstrate how materials change when they are cut, folded, sanded, or melted.

What makes wood popular for construction?

• It can be cut or sanded into new shapes.

• It is hard, durable, and renewable.

• It is different colors.

• It can be glued or nailed into connected pieces.

What happens when cotton fabric is cut and sewn into an article of clothing?

• A new substance is created.

• The fabric becomes more durable.

• The fabric becomes softer.

• Regardless of the new name and new shape, no new substance was formed.

Why is a plastic container great for storing things in the refrigerator but a poor choice for heating things over a campfire?

• It is durable and renewable.

• It would melt if heated.

• It is lightweight and waterproof.

• It is sturdy enough for shipping.

What is the reason a student can find thousands of unique items in a home improvement store, grocery store, or a mall?

• Because they are made of different materials.

• Because they are all made of the same material.

• Because they are all made of plastic.

• Because they are all made of wood.

What can be used to make a swing?

• Gears, a crystal lens, dial, and wristband.

• A wooden board, two ropes, and a tree.

• A plastic container and a metal rod.

• A cardboard box and a rope.