2.
to be successful on a test/course
3.
science studying living things
4.
science studying substances and chemicals
6.
a project, homework, or other work that students must do
7.
to undergo an event, situation, etc.
9.
science studying matter and energy
10.
particular used to show one thing is more … than others
11.
a person who is older or in a higher position
13.
one of the areas of study at school
14.
feeling worried about something
15.
used to show one thing is more … than others
16.
in science, a way to test an idea
17.
to not be successful on a test/course
19.
feeling (very) worried about something
20.
to take part in an event, action, etc.