Ch. 11-12 Science

What can you tell about matter from how its particles move?

• if it is a plant or animal
• if it is living or nonliving
• if it is a solid, liquid, or gas

Which could cause the mass of an object to change?

• changing the volume of the object
• changing the state of matter
• taking away matter from the object

What can be used to compare and measure the mass of two objects?

• metric ruler
• balance
• thermometer

What determines if an object sinks or floats?

• its shape
• its gravity
• its density

What can be used to measure volume of two solid boxes?

• metric ruler
• balance
• thermometer

What is happening when ice cream melts?

• a physical change; the particles do not move
• a phase change; the particles are moving faster
• a chemical change; the particles change shape

Which is an example of a chemical change?

• nail rusting
• water freezing
• sugar dissolving in water

What is true of particles that make up a solid?

• particles are loosely held together
• particles are closely packed together
• particles are moving rapidly

What does it mean when the liquid in a thermometer contracts?

• The substance being measured is heating up
• The substance being measured is cooling down
• The substance being measures stays the same

What is the measure of the average amount of motion in particles of matter?

• mass
• volume
• temperature