Introduction to Matter Test

Mitochondria break down glucose to make usable energy (ATP).

• Physical change

• Chemical change

Sugar dissolves into water and disappears.

• Physical change

• Chemical change

You crush aluminum cans before recycling them.

• Physical change

• Chemical change

During photosynthesis, a plant uses CO₂ and H₂O to make glucose (C₆H₁₂O₆) and O₂.

• Physical change

• Chemical change

What is the Law of Conservation of mass?

• Mass is created in a chemical reaction
• Mass is created in a physical change
• New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
• Mass is never created or destroyed

What type of reaction absorbs thermal energy?

• exothermic

• endothermic

In an exothermic reaction, heat is ...

• taken in
• given out

Matter is anything that has ____ and takes up space.

• Feelings

• Mass

• Needs

The amount of space that matter occupies:

• Mass

• Volume

• Weight

• Density

Weight is the force of ______________depending on the mass the object is being weighed.

• Energy

• Object

• Gravity

• Density