Nuclear Processes
Radioactive Decay
Subatomic Particles
Atmosphere Layers
Earth’s Layers & Plate Movement
Heat Transfer
100

During fission, what particle must be absorbed by the nucleus to trigger the split?

A neutron

100

What particle is released during alpha decay?

2 protons + 2 neutrons

100

Which particle has a positive charge? (Labeled D)

Proton

100

What is the blanket of gases around Earth called?

Atmosphere

100

Which layer makes up most of Earth’s volume?

The mantle.

100

What is the flow of energy from warmer places to cooler places called?

Heat

200

What is the process where two nuclei combine?

Nuclear Fusion

200

In beta decay, what does a neutron turn into?

A proton + an electron

200

What is the center of the atom called? (Labeled B)

Nucleus

200

Which layer contains weather?

Troposphere

200

Which layer is liquid?

The outer core

200

Which type of heat transfer moves through empty space by electromagnetic waves?

 Radiation

300

What happens when a large nucleus splits?

Nuclear Fission

300

Which type of decay releases pure energy, not particles?

Gamma decay

300

Which particle has a negative charge? (Labeled C)

Electron

300

Which layer contains the ozone layer?

Stratosphere

300

Which layer is solid due to extreme pressure?

The inner core

300

Which type of heat transfer happens when hotter, less dense fluids rise and cooler, denser fluids sink?

Convection

400

What do we call changes inside the nucleus that release energy?

 Nuclear processes.

400

Which decay type has greater penetration and must be stopped using aluminum?

Beta decay

400

Which particle has no charge? (Labeled E)

Neutron

400

Which is the coldest layer?

Mesosphere

400

What do we call the rigid top layer of Earth (crust + upper mantle)?

Lithosphere.

400

Which type of heat transfer occurs when particles in a solid bump into each other, passing energy along?

Conduction

500

Which nuclear reaction requires extremely high temperatures and pressures to occur?

 Nuclear Fusion

500

Which type of decay involves releasing high-energy electromagnetic radiation?

Gamma decay

500

Which particle is much smaller than protons and neutrons?

Electron

500

Which layer fades into space?

Exosphere

500

What is the rigid rock layer above the asthenosphere called?

Lithosphere

500

Materials that allow heat to pass through easily are called what? And what are materials that do not allow heat to pass through called?

Conductors and insulators