Which of the following can attract other objects?

These are the materials that can be decomposed bybacteria or other living things.

It refers tothe ability of a material to allow heat and electricity pass

         through it.

Elasticitybelongs to what property of matter?

Ovaries andtestes belong to what system of the body?

Which of the following will produce rust when it is wet?

What do you call the process of the union of the egg cell and sperm cell?

Which material allows heat and electricity to pass through it?

What refers to the shape of the sound wave?

The sun is example of a ____.

Which action will result in a product with a new set of properties?

During the puberty stage the boys and girls experience certain physical changes. Start of menstruation is a sign that a girl is ______________________.

After playing basketball, your brother used towel to dry his sweat. What property of towelis  being described?

You have a ball of clay, after putting it into water it sink. What will you change to make it float?

Ivie prepares pineapple juice for her kids. The juice is very attractive in a curvature transparent pitcher. He transfers it into three different containers in a glass, in a cup and in a mug. What  characteristics of liquid is being demonstrated in the situation?  

The following activities cause a change inmatter. Which of these has a bad effect on the environment?

Iron, nails, cans and other metals with iron when exposed to moisture may develop ____________.

One good characteristic of being a responsible consumer is to refrain from buying new materials when you still have supplies, what waste management is being practiced?

Because he/she cannot go out of the house,Sarah decided to make her time more productive. She made a figurine from the empty seashells they have out from their yesterday’s lunch. What technique did she apply?