EASY
1. Which of the following is an example of a physical change?
A. Burning woodB. Rusting iron
C. Melting ice cream
D. Baking a cake
ANSWER: C
1. What is the importance of human reproductive system?
A. To show that human being is unique
B. To ensure quality and healthy living
C. To show that both men and women are equal
D. To ensure continuity of human race on earth
D. To ensure continuity of human race on earth
1. Photosynthesis is important to living things, EXCEPT___
A. Provide food for nearly all the consumers on Earth.
B. It makes the atmosphere warm.
C. It absorbs Carbon dioxide from the air.
D. Produce Oxygen gas
B. It makes the atmosphere warm.
2. Where does oxygen-rich blood go after leaving the lungs ?
A. brainB. heart
C. stomach
D. kidney
B. heart
2. Which of the following is an example of a physical change involving a change of state?
A) Rust forming on an iron nail
B) Paper burning and turning into ashes
C) Ice melting into water
D) Milk spoiling and curdling
C) Ice melting into water
3. Which of the following animals is an herbivore?
A. Lion
B. Rabbit
C. Wolf
D. Owl
B. Rabbit
3. After a healthy meal, your body begins to extract nutrients from the food. This is an example of the digestive system's function to:
a) Regulate body temperature
b) Pump blood to different body parts
c) Break down food for nutrients and energy
d) Control voluntary muscle movements
c) Break down food for nutrients and energy
3. Compare the life cycle of a butterfly and a bird. Which is correct?
A.A butterfly begins as a seed, while a bird begins as an egg.
B.A butterfly begins as an egg then larva, pupa and adult while a bird begins as an egg, chick and adult.
C.A butterfly begins as a chick while a bird begins as a larva.
D.Both butterflies and birds grow directly from egg to adult without changes
B.A butterfly begins as an egg then larva, pupa and adult while a bird begins as an egg, chick and adult.
4. What is the first step in doing a simple science investigation?
A. Record the results
B. Make an observation or ask a question
C. Draw a conclusion
D. Test the experiment
D. Test the experiment
4. What is the best reason for including fruits and leafy vegetables in a healthy diet?
A) They have a high water content.
B) They are the best source of protein.
C) They are rich in minerals and vitamins.
D) They are the best source of carbohydrates.
C) They are rich in minerals and vitamins.
4. A scientist wants to increase friction in a machine. Which would be MOST effective?
A.Add oil to the machine parts.
B.Use smoother surfaces.
C.Use rougher materials in contact.
D.Reduce the weight of the machine
C. Use rougher materials in contact.
5. Condensation is a process of changing gas to liquid. Which of the following situations show condensation?
A. Rusting of nail
B. Formation of water droplets on glass window panes
C. Formation of ice inside the refrigerator
D. Drying of clothes under the sun
B. Formation of water droplets on glass window panes
5. Which among the following can help maintain the environmental condition?
A) Avoid burning garbage and twigs.
B) Providing irrigation through building of dams.
C) Construction of high-rise buildings.
D) Cut trees to provide shelter among living organisms.
ANSWER: A
5. Which of the following shows changes in materials when heat is applied?
I. Broken pot
II. Melting ice cream
III. Frozen meat
IV. Dripping candle
A. I and III
B. II and IV
C. I only
D. IV only
B. II and IV