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Adapations for survival.pdf
Animals adaptations.pdf
Becoming a astronaut.pdf
Ecosystem energy.pdf
extreme weather.pdf
eyes in the sky.pdf
Food energy in ecosystems.pdf
Forces and motion.pdf
How machines work.pdf
investigating sound and light.pdf
It's dark down here.pdf
Life at the bottom of the sea.pdf
move it.pdf
Our planet and beyond.pdf
Planets and stars.pdf
Play with machines.pdf
Simple machines.pdf
Sound and light.pdf
The journey home.pdf
Weather.pdf
What affects weather.pdf