This World of Things — Practice

Question 1

Name three materials things are made of.

Accepted Answer

Wood, metal, and plastic (also glass, clay, paper, cloth).

Question 2

What is the difference between natural and man-made materials?

Accepted Answer

Natural materials come from nature, like wood and cotton; man-made materials are made by people, like plastic.

Question 3

Give one transparent and one opaque thing.

Accepted Answer

Transparent: a glass window; opaque: a wooden door.

Question 4

Name the three states of things.

Accepted Answer

Solid, liquid, and gas.

Question 5

Give an example of a solid, a liquid, and a gas.

Accepted Answer

Solid: stone; liquid: water; gas: air.

Question 6

Sort these by material: spoon, chair, bottle, window.

Accepted Answer

Spoon - metal; chair - wood; bottle - plastic; window - glass.

Practice — This World of Things