S2 Unit 1 Atomic Structure and Periodic Table / 5 of 16 Your teacher gives you a sample of an unknown element which is sealed in a glass tube at room temperature. At the bottom of the tube
there is a small amount, a few drops at the most, of a red-black filmy liquid, and above it is a red vapor. What is this element likely to be?
(DOK 1)
O A. non-metal
Exhi
O
B. metal
O
C. metalloid
INTL
12:34
Lenovo

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.