Across
1 not dirty (5)
2 a sequential arrangement of material, especially in alphabetical or numerical order (5)
3 official mark in a passport that gives permission to enter or leave a foreign country (4)
5 money or property that you receive from someone who has died (11)
8 a shape like a circle, but wider in one direction than the other (4)
10 something that you use to take pictures (6)
12 a part of the inside of a building that has its own walls, floors, and ceiling (4)
13 a word used when talking about something that might happen or be true, or might have happened (2)
14 a color of the rainbow (3)
15 planning or arranging something (12)
17 a preposition used to indicate towards a higher place or position (2)
19 a thought or suggestion (4)
20 frozen water (3)
21 mirror (7-5)
24 a small flying insect with two wings (3)
26 to move from one place to another (2)
28 a musical play in which all of the words are sung (5)
29 a message sent by telegraph (8)
31 to use your eyes (3)
32 a curved shape or line (3)
33 a preposition used to say that someone or something moves to a position on a surface, area, or object (4)
34 a negative answer; opposite of yes (2)
36 to officially allow someone to leave a hospital, or military (9)
37 what you hear with (3)
Down
1 a hard, white type of ceramic (5)
2 relating to or involving more than one nation (13)
4 the whole amount of something (3)
6 a wild animal like a dog that makes a sound like a laugh (5)
7 one of several parts that together make up a whole machine, system etc (9)
8 excessively full (8)
9 a chemical substance that has a pH of less than 7, and can burn holes in things (4)
10 what you wear to cover your body or keep warm (8)
11 a living creature that is not a person or a plant (6)
16 extreme sadness because of a loss (5)
18 the amount of space between two places or things (8)
22 the study in mathematics of the angles and shapes formed by the relationships of lines, surfaces, and solid objects in space (8)
23 having qualities that are typical of most people or things (7)
25 a period of time in which someone is taught a particular skill (6)
27 a hot metal box that you can use to cook or bake food (4)
29 the number between nine and eleven (3)
30 opposite of left (5)
33 rock or earth from which metal can be obtained (3)
35 a preposition used to show what a part belongs to or comes from (2)
36 a word used to ask or talk about how successful someone is at something; auxiliary verb (2)