I need help with these two questions!! (Question 21 & 22)

I have an unknown liquid that I want to identify. a) What are four physical properties I could use to help me identify the liquid? b) What are four chemical properties I could use to help me identify the liquid? A Question 22 (4 points) Listen Another teacher at your school says "We don't need to teach science at the elementary level. Science is just memorizing a bunch of facts." a) What misconception (inaccurate idea) does the teacher have about what science is ? b) What are two reasons why elementary teachers should teach science