Q: Rubbing your hands together warms them by converting work into what energy? Choices: - kinetic energy - motion energy - layer energy - thermal energy A:
thermal energy

(Question)
Q: In science, we need to make observations on various phenomena to form and test what? Choices: - assumptions - theories - variations - hypotheses A:
(Answer)
hypotheses

Ques: Q: What are observable patterns of stars found in the night sky called? Choices: - deformations - latitudes - deviations - constellations A:
Ans: constellations

(Q).
Q: What bond is the force of attraction that holds together positive and negative ions? Choices: - Protonic - Electric - magnetic - ionic A:
(A).
ionic

Ques:Q: What scale measures acidity? Choices: - frequency scale - richter scale - salinity scale - ph scale A:

Ans:ph scale

Q: Kidneys, large intestine, liver, skin, and lungs comprise which system? Choices: - Muscular system - Digestive system - Lymphatic system - excretory system A:
excretory system