P4 Science Test #1

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1.
True or False: The moon is a luminous object.
2.
What is it called when pollen grains transfer from the male part of the flower to the female part?
3.
True or False: Glass is luminous.
4.
Which planet is the hottest?
5.
True or False: Plants take in oxygen and give off carbon dioxide.
6.
True or False: Comets are made of ice and dust.
7.
What changes light energy from the sun into electrical energy?
8.
What color(s) are reflected off a black object?
9.
Why does a plant have fruit?
10.
What is it called when all of the trees in a forest are cut down?
11.
What is it called when light hits water and changes direction?
12.
This is also known as a 'falling star.'
13.
What are the 3 things needed for photosynthesis?
14.
An object that orbits around a larger object is called what?
15.
Which part of the plant takes in nutrients from the soil?
16.
This used to be a planet.
17.
What are 2 examples of luminous objects?
18.
Which planet is the only one with life on it?
19.
There are many of these in an asteroid belt.
20.
An object that lets a little bit of light through is called ______.