haadi

Animals with a backbone are called?

• species

• invertebrates

• vertebrates

• carnivores

Examples of verterbrates are...

• grass

  rocks

  copper

  steal

• fish

  amphibians

  reptiles

  birds

  mammals

• predators

  fish

  amphibians

  birds

• Jellfish

  worms

  mollusks

  arthropods

Animals without a backbone are called...

• Vertebrates

• prey

• inverterbrates

• predator

Examples of invertebrates are...

• fish

  amphibians

  reptiles

  birds

• Jellyfish

  worms

  mollusks

  arthropods

• algae

  fungi

  seaweed

  grass

• weeds

  rocks

  shellfish

  lobster

An _______ is a material through which an electric charge moves with _____.

• insulator

  ease

• insulator

  difficulty

• mass

  difficulty

• mass

  ease

examples of conductors are ______, _____, ______, and _______.

• plastic

  rubber

  glass

  dry wood

• oil

  coal

  water

  rain

• rocks

  sand

  soil

  water

• plastic

  elastic

  glass

  drywood

in a series circuit, electricity passes trough _______ direction.

• two ways

• only one

• three

• five

In a parallel circuit, electric current passes through _______ or ___ paths.

• one

  two

• two

  more

• one

  no

• two

  no

A physical change happens when _____ changes but does not become a ____ kind of matter

• properties

  old

• matter

  new

• nothing

  new

• properties

  new

examples of a physical change are

• cutting paper

  bending paper

  sharpening pencils

• burning wood

  paper into ashes

  rotting of banana.

• hair

  plastic

  nails

  burning wood

• none of the above