Unit 4 Test : Science

Canyons are formed when what changes the land?

• Wind

• Ice (glaciers)

• Water

• Living Things

Sand dunes are formed when what changes the land?

• Wind

• Ice (glaciers)

• Water

• Living Things

U-shaped valleys in boulders and wider cracks in rocks are formed by what?

• Wind

• Ice (glaciers)

• Water

• Living Things

Movement of rocks and sediments to new places happens when what changes the land?

• Wind

• Ice (glaciers)

• Water

• Living Things

What can cause weathering?

• Physical and chemical processes
• Astronomical events
• Volcanic eruptions
• Biological processes

How do scientists measure earthquake activity?

• By using a barometer

• By using seismometers

• By using a thermometer

• By using a compass

How do scientists detect tsunamis?

• Using a tsunami warning buoy

• Through small earthquakes

• By measuring wind speed

• By observing animal behavior

How can scientists predict when a volcano will erupt?

• By observing the color of the sky
• By monitoring signs such as seismic activity, gas emissions, ground deformation, and historical eruption patterns.
• By counting the number of birds flying around the volcano
• By tasting the soil near the volcano

How can scientists help people prepare for a natural hazard?

• By ignoring the data and relying on luck
• By conducting experiments on the affected population
• By conducting research, developing early warning systems, creating emergency response plans, and educating the public.
• By spreading misinformation and causing panic

How can people make sure they are safe when a natural hazard happens?

• Ignore warnings and stay in the danger zone
• Wait until the last minute to evacuate
• Rely solely on social media for updates
• Stay informed, have an emergency plan, prepare an emergency kit, follow evacuation orders, seek shelter