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SEMESTER 1 FINAL 2021

Authored by Tameem Kurd-Misto

Biology

9th - 12th Grade

99 Questions

NGSS covered

Used 7+ times

SEMESTER 1 FINAL 2021
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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

According to scientists, both Earth and moon are...

About 1.6 Billion Years Old
About 4.6 Billion Years Old
About 9.6 Billion Years Old
About 14 Billion Years Old

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The composition of todays atmosphere is mostly...

Hydrogen

Oxygen

Nitrogen

Helium

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If you know the age of a rock, you know the relative age of the _________________ that was found inside.

sticky tar

fossil

amber

ice

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In what way can scientists determine the ages of fossils?

relative dating
radioactive dating
law of superposition
All of the above

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In layers of sedimentary rock, the _________ layer is usually at the bottom. Each higher layer is _________ than the layers below it.

oldest, younger
youngest, older
youngest, younger
oldest, older

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Scientists use unstable elements that decay, called _________ elements, to determine the actual age of a fossil.

radioactive
cation
anion
petrified 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the half-life of a radioactive element?

How old it is when it is middle aged
The time it takes for half of the atoms to decay
The time it takes for half of the atom to form
How old it is when the Earth is middle aged

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