Cambridge Primary Science 6/ Unit 1.4

Find the correct word:

"an object that stops things getting through or past it"

• barrier

• defence

• parasite

Find the correct word:

"protection against something"

• host

• mucus

• defence

Find the correct word:

"the living that a parasite infects"

• host

• repellent

• vectors

Find the correct word:

"keeping yourself and the things around you clean"

• mucus

• hygiene

• defence

Find the correct word:

"a sticky substance found in our noses, windpipe and other passages"

• mucus

• barrier

• vectors

Find the meaning of the word "vectors"

• a substance that keeps insects or other things away

• living things that spread diseases but do not get the diseases

  themselves

• any living thing that lives on or in the body of another living

  things where

  it causes harm

Find the meaning of the word "parasite"

• any living thing that lives on or in the body of another living

  thing where

  it causes harm

• keeping yourself and the things around you clean

• the living thing that a parasite infects

Find the meaning of the word "repellent"

• an object that stops things getting through or past it

   

• a sticky substance found in our noses, windpipe and other air

  passages

• a substance that keeps insects or other things away