Science Year 3 Week 30 - HEATING AND COOLING

Melting, cooking, and burning are

• Actions of cooling.

• Actions of heating.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What do you use a fridge for?

• heating

• cooling

• drying

• slicing

What is the main purpose of clothing in cold weather?

• • A) To look fashionable

• • B) To keep us warm

• • C) To protect against insects

• • D) To show social status

What does the iron do?

• • A) Releases heat to flatten our clothes

• • B) Cools down our clothes

• • C) Helps appliances work

• • D) Makes clothes dirty

How does a heat pack help with injuries?

• • A) It makes the injury worse

• • B) It causes swelling

• • C) It provides pain relief

• • D) It reduce the pain

What appliance is commonly used to heat food quickly?

• • A) Refrigerator

• • B) Microwave

• • C) Freezer

• • D) Laptop

Which of the following is a benefit of using a cooling pack on an injury?

• • A) Increases blood flow

• • B) Heats the area

• • C) Reduces pain

• • D) Makes it more painful

What can happen if you eat food that has been left out at room temperature for too long?

• • A) It will taste better

• • B) It will be easier to eat

• • C) It will have more nutrients

• • D) It can lead to food poisoning

Look at the picture and complete the sentence. Those molecules represent...

• Hot

• Cold

Look at the picture and complete the sentence. Those molecules represent...

• Hot

• Cold