What are some good ideas for a science experiment/research?? For 8th graders??

1 answer:

5 0

I recommend a science project that could test wind. Cut up a few flaps on a paper, try to make a mini windmill out of straws and thin cardboard, and study the difference between how much force you give it, and the wind it produces to move the paper flaps.

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Fossils of archaeopteryx. The carliest known bird show which of the following unique characteristics that indicate its dinosaur

Pepsi [2]

Archaeopteryx had "teeth, three claws on each wing" similar to dinosaurs. So, most appropriate answer would be Teeth & Wings

Hope this helps!

6 0

3 years ago

Please help with d and explain

Nadya [2.5K]

The answer would be AB+40.

8 0

2 years ago

Please help me!!!!

ololo11 [35]

B. The first generation of pea plants were mostly tall.

3 0

3 years ago

Which group of algae is believed to be the ancestor of land plants?

ycow [4]

Answer:

<u>stonewort, and many green algae such as the Spirogyra.</u>

Explanation:

As it was believed that the land algae were believed to be evolved from the stonewort plant and the blue-green algae like the cyanobacteria and the spirogyra that colonized the lands some 500 mn years ago was a freshwater alga.

After which the first land plants occur about 470 million years ago, and they were in the form s of moss and liverworts of the vascular in origin.

7 0

2 years ago

A tall pea plant (TT) is crossbred with a short pea plant (tt). The Punnett square below shows the separated alleles for two pea

musickatia [10]

Hi there!

Using the image below, you can see that all of the boxes are Tt, or heterozygous. Therefore, 1 = Tt, 2 = Tt, 3 = Tt, and 4 = Tt.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!

6 0

2 years ago

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