Practice FE

Which one of the activities about chemical reactions

• Baking a cake

• • Melting an ice cube

• • Boiling water

• • Breaking a bottle

What is evaporation?

• The process where water vapor becomes liquid

• The changes in state which occur when the solid and liquid states interchange

• When liquid is heated, it gains heat and temperature rises. The water changes into steam.

• A material may change shapes or forms

A part of human body that can help bones make movement is...

• Ribcage

• Jaw

• Leg

• Skull

How do you take care of ribcage?

• Do not lie down or stay still for a long time.

• Try to sleep in different positions.

• Keep your weight in the healthy range.

• Eat soft food.

Animals with no bones are called invertebrate, the example of invertebrate are...

• Jellyfish

• Fish

• earthworm

• Snake

Brandon and his friends talked about how to take medicines safely. They got the same illness, but different symptoms.

Can they use the same medicines?

• Yes, they can. Because it is the same illness.

• Yes, they can. It will make other symptoms.

• No, they cannot. Because they have different symptoms.

• No, they cannot. Because they have the same symptoms.

Some invertebrate animals have hard skins or shells on the outside of their bodies. This hard outer layer is called an exoskeleton. The examples of exoskeleton animals are …                     

• Spider

• Snail

• Butterfly

• Jellyfish

Infectious diseases are a disease that is caused by very tiny living things we call germs. Circle two diseases that are caused by germs.

• diarrhea

• tetanus

• diabetes

• cholesterol

What does change of matter happen when we hangs some wet clothes under the heat of sunlight and after couple hours, the clothes are dry?             

• there is condensation

• there is melting

• there is sublimation

• there is evaporation

Based on the picture, who is the producer?

• Grass

• Grasshopper

• frog

• snake