MIA SCIENCE 7: CONSERVATION OF MASS

Anything that has mass & takes up space

• gravity
• force
• matter
• volume

What are the three states of matter?

• solid, volume, mass
• density, volume, mass
• solid, liquid, gas
• density, gas, volume

Matter has two basic properties: physical and chemical properties. Which of these statements best describe physical properties?

• Physical properties behave identically for all matter under the same conditions

• Physical properties can be observed without changing the identity of a substance

• Physical properties are observed by seeing how a substance reacts with other substances

• Physical properties cause atoms and molecules to change structure when substances are mixed

Which of the following statements is true about characteristic properties of matter?

• Characteristic properties depend on the size of the sample

• Characteristic properties may be either physical or chemical properties

• Characteristic properties only involve chemical properties

• Characteristic properties only involve physical properties

An object undergoes a chemical change when it changes:

• shape, form, state of matter

• melting, odor, size

• color, burning, rusting

Is water melting a physical or chemical change?

• Physical
• Chemical

Is digesting your food a physical or chemical change?

• Physical
• Chemical

Is a burning candle a physical or chemical change?

• Physical
• Chemical

Is a car using fuel a physical or chemical change?

• Physical
• Chemical

Tearing paper

• physical

• chemical