SCIENCE 4 REVIEW 1.1

Which of these is NOT a good scientific attitude?

• A) Curiosity

• B) Open-mindedness

• C) Biased

• D) Patience

• Why is it important to wear goggles when mixing chemicals in a laboratory?

• A) To keep your hands clean

• • B) To protect your eyes from splashes

• • C) To help you see better

• • D) To protect your nose from strong smells

How can you properly dispose of a broken glass bottle?

• A) Wrap it in paper or cardboard before throwing it away.

• B) Throw it directly into the regular trash bin.

• C) Leave it on the side of the road for others to find.

• D) Put it in the recycling bin with other plastic and paper.

Which of these is a famous Filipino scientist known for her work in tropical medicine and infectious diseases?

• A) Fe Del Mundo

• B) Albert Einstein

• C) Isaac Newton

• D) Galileo Galilei

Which of the following is a harmful effect of littering?

• A) Making the environment clean

• B) Protecting marine animals

• C) Causing floods and polluting water sources

• D) Helping plants grow better

What is a key characteristic of a responsible scientist?

• A) Hiding mistakes and failures

• B) Reporting observations honestly and accurately

• C) Working alone and not sharing ideas

• D) Making up data to get the right result

Your family uses a refrigerator to keep food fresh. What is the main scientific principle behind this invention's impact on your everyday life?

• A) It uses electricity to cook food.

• B) It slows down the decay process of food by keeping it cold.

• C) It uses heat to keep food warm.

• D) It makes food taste better by changing its chemical composition.

Which of the following materials is an example of a degradable material?

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What is the primary change in the properties of a piece of wood when it is burned?

• A) It turns into a new substance with different properties (ash, smoke, and gas).

• B) Its shape changes, but it remains the same material.

• C) It becomes a better conductor of heat.

• D) It changes into a different state of matter, like from solid to liquid.

If your community is facing a problem with polluted drinking water, how could science help address this issue?

• A) By developing new entertainment technologies for the community.

• B) By creating a new type of fast food.

• C) By conducting a study to identify the source of pollution and developing a water filtration system.

• D) By organizing a community sports tournament.