Goodluck

Front

What caused the pot handle to become hot? Maria is cooking using a stainless steel pot. After a few minutes, she notices that the pot handle has gotten very hot.

Back

The pot absorbs all the heat from the stove.

Front

What property of copper caused the light bulb to light up when connected to a circuit source?

Back

Copper conducts electricity well.

Front

How does aluminum wire affect electrical circuits?

Back

Aluminum has higher resistance, reducing current flow to the bulb.

Front

A child pushes a wagon across different pavement surfaces such as gravel, concrete, and mud. Which surface will the wagon roll the farthest?

Back

Concrete, due to low friction

Front

In a game called patintero, players run quickly to avoid being tagged. How does friction affect this situation?

Back

It allows players to run smoothly.

Front

During a science demonstration, a feather and a rock are dropped from the roof of a grade school building. Why did the rock fall faster than the feather?

Back

The feather experiences more air resistance

Front

What type of energy transformation occurs when a candle burns and gives off both light and heat?

Back

Chemical energy to heat and light energy

Front

A group of friends prepared a fruit salad consisting of bananas, mangoes, and watermelons. They realized that they wanted to separate mangoes for another recipe. Which method should they use to separate the mangoes from the other fruit?

Back

Manual sorting

Front

Which symbiotic relationship shows the interaction between plants and ants that involves ants collecting seeds for their mounds while also aiding in the germination of the plant?

Back

mutualism

Front

Which of the following statements does NOT explain the benefits of taking care of the tropical rainforests? Rainforests support sources of freshwater like rivers, streams, lakes, and groundwater., Rainforests provide a habitat for animals and plants, which promotes biodiversity., Rainforests hold the soil, preventing landslides in mountainous regions., Rainforests are good sources of lumber as well as exotic plants and animals for human consumption.

Back

Rainforests are good sources of lumber as well as exotic plants and animals for human consumption.