Monday, April 29, 2019

2019 ALS A&E Reviewer - SCIENCE


Alternative Learning System (ALS)
Accreditation & Equivalency (A&E)
Review Questions – SCIENCE

Choose the letter of the correct answer.

1. Which of the following statements describes the difference between active and inactive volcano?

A. The summit of an active volcano has higher elevation while an inactive volcano has steeper sides.
B. The summit of an active volcano is lower while an inactive volcano has less steep sides.
C. An active volcano had history of eruptions while an inactive volcano periodically erupts.
D. An active volcano has a record of periodic eruption while an inactive volcano had recorded history of eruptions.

2. Which of the following explains the cause of volcanic eruptions?

I. Magma rises to the crater.
II. Magma is moving in the chamber.
III. When built-up pressure is released, magma explodes to the surface.
IV. Lava solidifies and becomes part of the crust.

A. I only
B. I and III
C. III only
D. II and IV

3. Mariel observes the patterns formed by prominent stars almost every night. Which of the following statements may serve as her correct realization about constellation?

A. Stars assume different patterns every week.
B. Different constellations appear in the sky every night.
C. A constellation will appear in the same position in the sky throughout the year.
D. Different patterns of stars appear in the night sky as the earth revolves around the sun.

4. Darlene observes that each day a few stars are visible in the eastern region of the sky that were not visible the night before. Which of the following statements explains her observation?

A. The Earth spins on its axis as it revolves around the Sun.
B. The stars move around the Earth.
C. The sky moves around the Sun.
D. The Earth rotates on its axis.

5. John learned that the sun is a star. Which of the following is a proof of his information?

A. Stars and the Sun, unlike planets, become smaller and smaller after thousands of years.
B. Like the Sun, stars produce light due to nuclear reactions.
C. Stars belong to the Solar System, hence, it is a star.
D. Stars like the Sun do not move.

6. Which statement describes the cause of plate movement?

A. Molten rock in the mantle moves due to intense heat.
B. Molten rock beneath the Earth behaves like liquid.
C. The plate moves due to the rotation of the Earth.
D. The plate moves due to tidal waves.

7. Melai always looks at the expiry dates of food items she buys at the supermarket in order to avoid food poisoning. Which of the following is the cause of food expiration?

A. Cans and packaging deteriorate over time making the food inside them not safe for consumption.
B. Canned and packed goods are treated with chemicals which expire over time.
C. Foods are organic matters that naturally degrade over time.
D. Food manufacturers need to set an expiration date so that buyers will consume food items before the expiration and buy new food items again.

8. Which of the following is an evidence of Plate Tectonic Theory?

I. Shapes of continents fit like a puzzle.
II. Identical rocks formed millions of years ago are found in different continents.
III. Identical fossils are found in different continents.
IV. Islands sunk and rise.

A. II and IV
B. I, II, and III
C. I and III
D. I, II, and IV