ALS Elementary A&E Practice Test – SCIENCE

 Choose the letter of the correct answer.

1. Science is the study of _________.

A. living things

B. the universe

C. humans

D. nature

 

2. Does snail has a backbone?

A. Yes, because it is a vertebrate.

B. Yes, because it is an invertebrate.

C. No, because it is a vertebrate.

D. No, because it is an invertebrate.

 

3. What is mass?

A. It represents the amount of matter in a particle or object.

B. It is an object that shows how much weight it has.

C. It is the same as weight.

D. It represents how much space it occupies.

 

4. Muscles work _______.

A. on their own

B. in pairs

C. in threes

D. in fours

 

5. Merlyn puts a piece of ice on a glass of water. The ice floats. Why?

A. Because of buoyancy

B. Because of surface tension

C. Because ice is less dense than the water

D. Because ice is denser than the water

 

6. Which of the following is an example of a producer in an ecosystem?

A. grass

B. mushroom

C. earthworm

D. air

 

7. Dinosaurs are commonly grouped under __________.

A. mammals

B. amphibians

C. reptiles

D. primates

 

8. What is the darkest part of the shadow?

A. umbra

B. penumbra

C. antumbra

D. hyperumbra

 

9. Jenny put some mothballs in her closet. After few months, they disappear? What process is involved?

A. Evaporation

B. Condensation

C. Sublimation

D. Liquefaction

 

10. Jeremy lacks Vitamin E. What condition will he get later on?

A. Rickett

B. Scurvy

C. Pellagra

D. Anemia

 

11. What simple machine is used in a flagpole?

A. wheel and axle

B. pulley

C. inclined plain

D. screw

 

12. Plants use the energy in sunlight to convert CO₂ and water to sugar and oxygen. This process is called ______.

A. cellular respiration

B. food cycle

C. photosynthesis

D. osmosis

 

13. A blue litmus paper is dipped in a glass of liquid. The paper turned red. The liquid in the glass is _____.

A. acidic

B. basic

C. neutral

D. alkaline

 

14. Which of the following is NOT a fungus?

A. yeast

B. mushroom

C. algae

D. mold

 

15. It is a relationship in which two organisms benefit from each other.

A. Parasitism

B. Mutualism

C. Commensalism

D. Commercialism

 

16. Which of the following is an abiotic component in an ecosystem?

A. fish

B. fungi

C. air

D. grass

 

17. Which of the following materials is a good thermal conductor?

A. styrofoam

B. glass

C. leather

D. metal

 

18. What happens when the Earth is between the sun and the moon?

A. solar eclipse

B. lunar eclipse

C. full moon

D. blue moon

 

19. A glass is filled with water, lemon juice, sugar, and ice. What is the solute in this concoction?

I. water

II. lemon juice

III. sugar

IV. ice

A. I only

B. III only

C. II and III

D. IV only

 

20. A bottle of perfume is opened in a room, the smell of its vapor spreads in the entire room due to _______.

A. diffusion

B. osmosis

C. evaporation

D. condensation

 ANSWERS

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1D  2D  3A  4B  5C  6A  7C  8A  9C  10D  11B  12C  13A  14C  15B  16C  17D  18B  19C  20A