Aflashlight converts chemical energy into light energy, and light is electromagnetic energy in the form of waves. Given these facts, what emits light waves among the following options: - an object  - a radio  - sensory neurons  - solid, liquid, gas  - a chair  - a flashlight  - harmful substances  - a rock
a flashlight

Trees have woody stems covered with bark, and all oaks are trees. Given these facts, what has a woody stem covered in bark among the following options: - bacteria  - bushes  - elms  - humans  - flowers  - Spruce  - oaks  - bamboo
oaks

Arubber band snapping causes the particles in the rubber band to vibrate, and heat causes molecules of the material to vibrate. Given these facts, a rubber band snapping causes the particles in the rubber band to among the following options: - Rise  - Loose  - energy  - heat  - sound  - expand  - waves  - struck

heat