Science Quarter 1 - Module 1 Useful and harmful materials

Reagents make foods last longer. Which food uses a reagent?

Plants need nutrients from the soil. Which nutrients DOES NOT HELP improve the quality of the soil that makes the plants grow?

Which of the given materials can either be completely discarded or can still be used at home?

Empty cans, bottles, old clothes and spoiled foods are examples of waste materials. Your parents/guardian told you to segregate them. Which of the materials can you place in a biodegradable waste bin?

Not all materials can cause hazard or damage to people and environment. Which of these is a good example?

Diabetes is a condition that impairs the body's ability to process blood glucose, otherwise known as blood sugar. What safe ingredient can you use as substitute for sugar?

What is the best medicine to cure your body rashes due to insect bites?

Lolo Tinoy went to his farm one morning and he found out that his vegetables were full of aphids. What should he use to kill them?

Which group of materials are used to clean your body?

Which material will you use to clean your hair?

In planting, farmers use chemical fertilizer to increase their harvest. What is its harmful effect to the environment when it is not properly used?

What physical property does the gold have that allows it to be made into JEWELRY like ring, earrings or necklace?

Rubber bands are useful materials in securing things tightly because they can be stretched and can go back to their original shape. What property do rubber bands have?

Which property of the material has the ability to decompose easily?

Metal are ductile. Which of the following characteristics do metals possess?