Sign up for FREE

8th Quiz Q1 #1

Last updated about 5 years ago

5 questions

1

1

1

1

1

Question 1

1.

Which of the following is a probable source of the Earth’s magnetic field?

Earth's iron core

the sun

the moon

Earth's tides

Question 2

2.

Who was the first to explain the effects of gravity in his law of gravitation?

Mohorovicic

Moho

Oikos

Isaac Newton

Question 3

3.

According to the law of gravitation, the force of attraction between two objects depends on the masses and the ___________________.

size of each object.

moon and the stars.

distance betweeen them.

shape of each object.

Question 4

4.

Transpiration is one part of the _________________.

ecosystem.

hydrosphere.

water cycle.

biosphere.

Question 5

5.

The force of attraction that exists between all matter in the universe is called _____________.

magnetism.

weight.

the magnetosphere.

gravity.