1st Grade Science › Physical Science
Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
Where does sound come from?
A light wave can be used to send messages.
Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
Which statement best explains why fireworks help us to see at night?
Which investigation provides evidence relating to sound and vibrations?
Investigation 1: Jack hits a tuning fork on a desk and watches it move back and forth and hears a noise when he moves close. Jack observes a still tuning fork and hears nothing.
Investigation 2: Amber feels rumbling and hears growling in her stomach so she eats mac and cheese for lunch.
Which object makes its own light?
Which object makes its own light?
What can Mel conclude about how light affects different objects based on the data above?