Mathematics
Language Arts
Integrated Studies
100

The instrument used to tell the time 

Clock

100

The names of people, places, animals and things

Nouns

100

The  gas  we inhale

Oxygen

200

The  number of minutes that make an hour

60

200

These are describing words

Adjectives

200

Plants give off this gas

Carbon-dioxide

300

 The number of things that make a dozen

12

300

These are action words

Verbs

300

The process by which green plants make food

Photosynthesis

400

 Tom  leaves home at 6:00 o'clock and reaches work at 9:00 o'clock .How many hours did he take to get to work? 

3 hours

400

These are joining words

Conjunctions

400

The process by which living things get rid of waste

Excretion

500

If there are three ducks swimming in a pond, how many wings would you see?

6

500

These are called 'where words'

Prepositions

500

The word respire means to -

breathe