Year 4 Science 2

What is the name of this flower?

• Rose

• Buttercup

• Daisy

• Tulip

Complete the sentence:

Earthworm is a worm made up of ...

• Sands

• Sediments

• Segments

• Shells

Which part of a plant makes food?

• Roots

• Leaf

• Trunk

• Stem

What is the chemical in the leaves which helps to produce food and oxygen?

• Conductor

• Chlorophyll

• Caterpillar

• Predator

Which part helps our bones to move easily?

• Brain

• Skull

• Muscles

• Joints

Which statement is wrong?

• Solids have a fixed shape and cannot be easily compressed

• Liquids can flow and take a new shape but they cannot be compressed

• Gases can flow and completely fill a new container and they can be compressed

• Liquids cannot take a new shape and can be compressed

Solids consisting of very small particles can behave as liquids in some ways. What cannot be an example for this material?

• Salt

• Sand

• Sugar

• Rock particles

Somebody is playing the guitar. What is needed to make the guitar sound louder?

• To plug the strings softer

• To plug the strings harder

• To cut the strings

• To add more strings

High volume of a sound will produce...

• High pitch of a sound

• Less vibration

• More radiation

• More vibration

What is the unit of soundmeter?

• Meter

• Farenheit

• Celcius

• Decibel