Energy/Heat

Which two types of energy come directly from the sun?

• heat and light

• heat and sound

• electrical and heat

• electrical and light

Which has electrical energy?

• tying shoes

• raking leaves

• throwing a baseball

• vacuuming the floor

What will need to happen for the cart to move faster?

• change energy to move faster

• add energy to push the cart faster

• remove energy to make the cart faster

• push the cart backwards

What happens when the vibrations in your voice box get faster?

• the pitch increases

• the pitch decreases

• the volume increases

• the volume decreases

What is the main type of energy released from a trumpet?

• heat

• light

• sound

• electrical

Why does a rubberband make sounds when it is plucked?

• it heats the air

• it vibrates the air

• absorbs energy

• removes molecules

Which of the following sounds has the lowest pitch?

• a squeaky chair

• a dog growling

• a mouse squeaking

• a basketball bouncing