Summative Test in Science Vi

SUMMATIVE TEST IN SCIENCE VI NAME:______________________________________ DATE: AUGUST 7, 2009 GRADE SIX_______SCORE___________

I.

Write ite th the le lette tter of of th the cor corrrect answe swer.

 _____1. Why plants called producers? They _____________. a. b. c. d.

Consume Con sume food food Mak Ma ke the their ir own own food food Provi Provide de food food for othe otherr organ organism isms s All All of of the the abov above e

 ______ 2. Why animals called consumers? They ______________. a. b. c. d.

Do not not eat eat plan plants ts Prod Produc uce e thei theirr own own food food Depe Depend nd on on othe otherr plan plants ts foo food d Depend Depend on plant plants s for for prote protecti ction on

 ______ 3. Which of the following can cause dead plants and animals to decay and turn into useful substances? a. b. c. d.

Mosses Producers Consumers Deco Decom mpos posers

 ______ 4. Which of these materials is NOT needed during photosynthesis? a. b. c. d.

Carbon Carb on dio dioxide xide Water Sunlight Oxygen

 _______ 5. The transfer of food energy from the producers to a series of consumer is called a. b. c. d.

Food web Food chain Food cycle All All of of the the abov above e

 ________ 6. Plant gives off______ which animals and human beings breathe in order to live. a. b. c. d.

Carbon Carb on dio dioxide xide Oxygen Carb Ca rbon on mono monoxi xide de Hydrogen

 ________ 7.What activity can disturb the carbon dioxide oxygen cycle in an aquarium? a. Placin Placing g enough enough amou amount nt of wate waterr.

b. Placing Placing equal equal amount amount of plants plants and fishes. fishes. c. Putting Putting too too many many fishes fishes with small small amount amount of plants plants.. d. Placing Placing the aquari aquarium um in a place place where where there there is enough enough sunlight. sunlight.  ________ 8. Which is the correct sequence of organisms in a food chain? a.Ricegrain b. Chick

chick hawk

hawk

decomposers

rice grains

decomposers

c. Hawk rice grains decomposers chicks d. Rice grains

decomposers

chick

hawk

 ________ 9. What does a food web show? It shows a. b. c. d.

A ser serie ies s of of food food lin links ks The role role of the consum consumers ers A seri series es of eati eating ng acti activit vitie ies s An inte interli rlink nk amon among g food food chai chain n

 ________ 10. What is the role of producers in a food chain? a. b. c. d.

They They mak make e thei theirr own own food. food. They They feed feed prim primary ary consum consumers ers.. They They repla replace ce nutr nutrien ients ts in in the soil. soil. They They provid provide e oxyge oxygen n in the the air air.

 ________ 11. Photosynthesis is performed by a. b. c. d.

Herb Herbiivor vores Producers Prima rimary ry con consu sume mers rs deco decomp mpos ose ers

 _________ 12. The role or profession of an organism in an ecosystem is its a. b. c. d.

Habitat Con Co nsump sumpti tion on Ecol Ecolog ogic ical al nich niche e Produc oducttion ion

 _________13.What happens in a food chain? a. b. c. d.

Energy Energy is lost lost to the air air. Energy Energy is transfer transferred red from from producer producer to consum consumer er.. Energy Energy is trans transferr ferred ed from from consumer consumer to producer producer.. Energy Energy is increase increased d from consumer consumer to another another consumer consumer..

 _________14. Why are decomposers important? a. b. c. d.

They break break down down complex complex waste wastes s into simple simple materials materials.. They provi provide de carbon carbon dioxi dioxide de and and oxygen oxygen to the the soil. soil. They deplete deplete the the soil soil of nitrogen nitrogen and and other other mineral minerals. s. They They mak make the the soil soil dry dry..

 _________15. What is transferred in a food web? a. b. c. d. II. II.

Parasites Predat dators Energy Water Fill ill in in the the blan blanks ks.. Cho Choos ose e you yourr ans answe werr fro from m the the list list belo below w.

16. Plants are called_______________________ because they manufacture their own food. 17. __________________ shows the path way of food from producers to a series of consumers. 18. When several food chains are interwoven and taking place in a particular community, a  ___________________ results. 19. The chemical energy of food taken from the plants is trans fomed in the bodies of   ______________________. 20. The_____________ is the main source of energy for all living things.