1. The four fundamental forces of nature are:

• Nuclear, Electricity, Gravity, Atomic

• Normal Force, Force due to gravity, Magnetism, Nuclear

• Gravity, Strong Nuclear, Weak Nuclear, Medium Nuclear

• Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear

2. Gravity is due to:

• the pull between Earth and the moon.

• the pull between any objects with mass.

• the pull between the Sun and Earth.

• the pull between atomic nuclei.

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3. The weakest of the four fundamental forces is:

• gravity

• electromagnetism

• Strong force

• weak force

4. Gravity has a range that is ____________ across the universe.

• short

• long

• infinite

• variable

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NGSS.HS-ESS1-4

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5. An apple falling from a tree is an example of the force of ____________.

• weak force

• strong force

• gravity

• electromagnetism

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6. The particle that carries the force is called ____.

• variable

• graviton

• electron

• neutron

7. Universal Law of Gravitation states that gravity is greater when _____.

• distance is farther

• mass is fewer

• mass is larger

• graviton is bigger

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NGSS.HS-PS2-4

8. It is a force that causes the interaction between charged particles and areas which it happens.

• Gravitation force

• Weak force

• Strong force

• Electromagnetic force

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NGSS.HS-PS2-4

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9. Electric force and magnetic force are similar in interactions. (Attract and repel)

• True

• False

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NGSS.HS-PS2-5

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10. It is a space region around the magnet.

• Magnet lines

• Magnetic field

• Electric field

• Magnetic force

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NGSS.MS-PS2-5