What was Arnold's initial reaction to the cold?

• He loved it because it meant hot cocoa.

• He was excited about the adventure.

• He hated it and wanted to go back.

• He was indifferent.

What did Ms. Frizzle suggest as a provocative idea?

• Going to the ends of the earth for a drink.

• Building a snowman.

• Starting a fire.

• Using a thermos.

Why did the students need to find a heat source?

• To melt the ice.

• To keep warm in the Arctic.

• To start the bus engine.

• To cook their food.

What did the students use to insulate their jackets?

• Paper

• Leaves

• Plastic

• Metal

What did the students discover about the polar bear's fur?

• It was waterproof.

• It was colorful.

• It was tangled and insulated the bear.

• It was very thin.

How did the students use the hot water bottles?

• To cook food.

• To drink hot water.

• To warm their hands.

• To transfer heat to the bus engine.

What did the students build to trap heat and warm up the bus?

• A tent

• An igloo

• A fire pit

• A snowman

What did Arnold innovate to keep his cocoa warm?

• A thermos

• A quilted jacket with a double-layered zippered lid

• A metal mug

• A plastic bottle

What did the students learn about insulation?

• It is only used in buildings.

• It is not useful in the Arctic.

• It allows heat to escape quickly.

• It blocks the heat and keeps it from moving outside.

What did the producer say about the heat peepers?

• They are available in stores.

• They don't really exist.

• They are used by scientists.

• They are made of metal.