SCI-QUIZ

DIRECTION: Read each item carefully and choose the letter of the correct answer.EASY1. In Grade 4 class, the teacher asked to perform a warm-up exercise. She asked them to move all their muscles as they want to and make them stop when they want them to stop. Which of the following situations describe the movement and functions?

a. Voluntary muscles b. involuntary muscles c, cardiac muscles

2. If a person cannot manage to stand at his own and supported with a brace on his neck and hips. What bone could possibly affected by this?

a. Ribs and breastbone b. shoulder c. skull d. vertebrae

3. What is predicted to be a result of global warming?a. rising ocean level c. larger volcanic eruptionsb. more severe earthquakes d. thinning of ozone layer

4. How does protective coloration of animals help them?a. It makes the animals more noticeable.b. It resembles the color of their enemies.c. It allows the animals to hide from their enemies.d. It allows the animals to become attractive.

5. Along a food chain, the role of _________ is to help return or recycle the primary chemical compounds of organisms back to the chain: carbon, hydrogen, nitrogen, and other minor compounds. a. decomposers (bacteria, fungus) c. prey (deer, water buffaloes) b. consumers (lions, tigers) d. producers (plants, trees)

AVERAGE

1. What causes night and day?a. Earth rotatesb. Moon rotates.c. Earth revolves around the Sun.d. Moon revolves around the Earth.

2. How does the earth differ from other planets?a. The earth revolves as it rotates. C. The earth has a moon.b. There is life on earth. D. The earth is in the outer

space.3. Why is the Sun the only star that can be seen during the day?

a. The Sun is bigger than the other stars.b. The Sun is hotter than the other stars.c. The Sun is the closest star to Earth.

d. The Sun is the brightest star.4. Which sequence of energy transformation takes place when you switch on an electric bulb?

a. Light—heat---electrical c. electrical—heat—lightb. Electrical—light—heat d. heat—electrical—light

5. . What are the two bean-shaped organs located behind our abdominal cavity that regulate the amount of fluid and substances in the blood?

a. Lungsb. Kidneysc. Stomachd. Intestines

DIFFICULT

1. Zandro got the temperature of four liquids in cups labeled A, B, C, and D.

Cup A has 400C, Cup B has 15 0C Cup C has 600C, Cup D has 10 0C

Which cup has the hottest liquid? A. Cup A C. Cup C B. Cup B D. Cup D2. When one opens a bottle of softdrinks, bubbles are formed, why? A. The temperature of the softdrinks increases. B. The temperature of the softdrinks decreases. C. The pressure of the softdrinks increases. D. The presssure of the softdrinks decreases.

3. Volcanic eruptions are also accompanied by earthquakes. What causes these earthquakes?a. Movement of magma through vents.b. Movement of rock layers along faults.c. Throwing out of a huge amount of volcanic ash.d. Melting and boiling of rocks inside the volcano.

4. Which of the following is an important factor in explaining why seasons occur on Earth?a. Earth rotates on its axis.b. The Sun rotates on its axis.c. Earth’s axis is tilted.d. The Sun’s axis is tilted

5. Xander draws a picture on a piece of paper and then folds it into a paper  airplane. She throws it at her little brother, and its hits him in the head. He responds by ripping up the paper. Which of the following is an example of a physical change? a. Ripping up the paperb. Folding the paperc. Throwing the paperd. All of the above