G7 - SCIENCE - Q1 - REVIEWER

Front

How do we test the correctness of our Hypothesis?

Back

Experiment

Front

What type of change produces new substances?

Back

Chemical change

Front

Contact between Coffee granules and Water makes the coffee dissolve faster. In which scenario can this be observed?

Back

Stirring the Coffee and Water

Front

Calamansi Juice has a pH of 2.5. What is it?

Back

Acid

Front

Which state of matter copies the shape of their containers?

Back

Liquid & Gas

Front

What is the scientific method?

Back

A systematic process for experimentation used to explore observations and answer questions.

Front

What is a hypothesis?

Back

A testable prediction about the outcome of an experiment.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not produce new substances, while a chemical change does.

Front

What is pH?

Back

A scale used to measure how acidic or basic a substance is.

Front

What happens to the particles in a solid when it is heated?

Back

The particles gain energy and vibrate more, potentially changing to a liquid.