A glass contains pure water from a bottle. It does not have anything else added to it. What do we call this water?, A substance., A mixture., A material., A diver breathes oxygen from a tank. The tank holds one single type of gas. What is this gas?, A pure substance., A mixture., A solid material., You have a shiny block of pure gold. There is no silver or copper inside it. What is this gold?, A substance., A mixture., A liquid., You add a spoonful of salt into a glass of water and stir it well. What does the water become?, A mixture., A pure substance., A single solid., A bowl has different fruits like apples, bananas, and grapes cut together. What is this fruit bowl?, A mixture., A pure substance., A single particle., A wooden desk has water, minerals, and plant juices naturally inside it. How should we classify wood?, A mixture., A pure substance., A single particle., Factory workers heat sand, limestone, and soda ash together to make glass windows. This means glass is..., A mixture., A pure substance., A gas., Matter is made of particles. If you look closely at a grain of sand, can you see a single particle?, No, it is too small., Yes, if you look very closely., Yes, it is very big., A solid ice cube feels hard and cold on the table. What are the tiny particles inside the ice doing?, They are moving all the time., They are completely still., They only move when they melt., Mom sprays perfume in the bedroom, and you can smell it in the living room. Why does this happen?, Gas particles move and spread out., Gas particles stay perfectly still., Gas particles disappear., Think about liquid water and solid ice. Which one has particles that can slide past each other easily?, Liquid water., Solid ice., Neither of them., A book is resting on a shelf. The book is not moving. Are the particles inside the book moving?, Yes, they are always moving., No, they are resting too., They only move if you push the book.

Primary Science 4 - Review: Unit 3 - Materials

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?