Materials
Hardness
Conductors / insulators
Conductors / insulators
Elastic
100

Cooking pot 

metal

100

A metal knife is hard or soft?

hard

100

Electricity CAN go through conductors. Which is a conductor... a plastic ruler, an iron nail, paper?

an iron nail

100

Electricity CANNOT go through insulators. Which is an insulator... a 5 baht coin, a metal ruler, a rubber eraser

a rubber eraser

100

Which object is elastic... a rubber band or plastic spoon?

rubber band

200

Water bottle 

Plastic

200

A blanket is hard or soft?

soft

200

A paper clip is...

a conductor

200

A cardboard box is an electrical...

insulator

200

Is a glass elastic? 

no

300

Sweater 

Fabric / cotton / wool

300

Glass is ____ and a t-shirt is _____.

Glass is hard and a t-shirt is soft

300

Have light.. conductor or insulator?

conductor

300

No light.. conductor or insulator?

insulator

300

Which object is elastic... a pen or balloon?

balloon

400

Pencil 

Wood, metal, rubber

400

Which object is harder... an iron nail or an eraser?

iron nail

400

This spoon is ______ and is a ________.

metal / conductor

400

This is a _____ table and is an _______.

wood / insulator

400

TRUE or FALSE: A balloon is made of rubber and is elastic.

TRUE

500

Electrical wires 

Copper and plastic

500

Which object is harder... a metal ruler or a wood ruler?

metal ruler

500

Electrical wires are made of plastic and copper. Which is the conductor and which is the insulator?

copper = conductor

plastic = insulator

500

Heat insulators help keep you warm on a cold day. What are 2 heat insulators... a jacket, an umbrella, a necklace, a wool hat?

a jacket and a wool hat

500

TRUE or FALSE: Floor tiles are elastic.

FALSE