Heat in the environment

Heat is the transfer of energy from warmer substances to cooler substances

• true

• false

Living things are sensitive to

• warmth

• coldness

• Humans

• warmth and coldness

žHomes and buildings are not designed to keep their interiors warm in winter and cool in summer

• true

• false

Scientists explain heat using a theory called

• the particle theory of movement

• the particle theory of heat

• the particle theory of matter

• the particle theory of living things

Warmth and coldness involve the _____ of the particles of matter

• motion

• heat

• cold

Particles have a lot of _______, which keeps them moving

• kinetic heat

• kinetic movement

• kinetic energy

• kinetic cold

Heat is measured in ______

• kinetic energy

• Joules

• celsius

• fahrenheit

When you add heat to an object, the particles move _____

• faster

• slower

• the same way

• away

When solids, liquids, and gases are heated, their volumes usually ______

• stay the same

• decrease

• increase

žThe change in volume is due to an increase or decrease in the______

• spaces between energy

• cooling

• heat

• spaces between particles