Sentence frames can help students answer questions during discussions and/or writing tasks for reading passages, labs or other prompts.

For level 1 or 2 students, consider also including a word bank that has relevant science vocabulary.

Here 

Fun science videos in English and Spanish. Watch their introduction vide here. Create a playlist to support your students learning. 

Remember you can ALWAYS add auto-captions in MANY languages (in case you want to share these with emerging English speakers who are not Spanish speakers). 

See the Classroom tools --- digital tools--section for help. 

Choose from K-5th grade science, MS earth, life or physical and HS 

chemisrty, physics or bio. Texts are web page based and simplified. 

Visuals, graphs, charts, pictures and video help comprehension. 

Web-based, so students can use Google Translate (if avaialable) to help comprehend the text.

Link to textbooks

No signed DPA, so you cannot assign tasks to students. Another work around---You could download as PDF and use Google Translate to get it into another language, if web-based is not working for your students.