IQWST IC2 Review Learning Set 1-2

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What should you wear to protect your eyes when cutting onions?

Back

Wearing goggles helps keep the acidic vapor from the onion from reacting with the water in your eyes.

Front

What does the arrow in a chemical equation represent?

Back

The arrow indicates what the reactants yield, form, or produce.

Front

What is the melting point?

Back

The melting point is the temperature at which a solid substance starts to become a liquid.

Front

How do you calculate density?

Back

Density is calculated by dividing mass by volume (Density = Mass/Volume).

Front

If an object has a mass of 15 grams and a volume of 3 cm³, what is its density?

Back

The density is 5 g/cm³.

Front

What is the definition of solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent.

Front

What is the difference between reactants and products in a chemical reaction?

Back

Reactants are the starting substances in a chemical reaction, while products are the substances formed as a result of the reaction.

Front

What is the definition of a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into a gas.