Gravity & Space
This scientist discovered the law of gravity after observing a falling apple.
Who is Isaac Newton?
The solar system is made up of the Sun and objects that move around it called these.
What are planets?
Water found on Earth’s surface in rivers, lakes, and oceans is called this.
What is surface water?
Burning fuels and releasing harmful gases causes this type of pollution.
What is air pollution?
This is the hottest planet in our solar system.
What is Venus?
Gravity is the force that pulls objects toward this large body at the center of our solar system.
What is the Sun?
This planet is known as the “Red Planet.”
What is Mars?
Water stored underground in soil and rock layers is called this.
What is groundwater?
Cutting down large numbers of trees in forests is called this.
What is deforestation?
The process plants use to make their own food using sunlight is called this.
What is Photosynthesis?
This invisible force keeps planets moving in orbit around the Sun.
What is gravity?
The solar system is located in this galaxy.
What is the Milky Way?
The part of Earth that includes all water is called this sphere.
What is the hydrosphere?
Animals and plants living together in an environment form this system.
What is an ecosystem?
This is the closest star to Earth.
What is the Sun?
The path a planet follows around the Sun is called this.
What is an orbit?
Rocky objects that orbit the Sun mostly between Mars and Jupiter are called this group.
What is the asteroid belt?
Only a small percentage of Earth’s water is drinkable; this type of water is called this.
What is freshwater?
Protecting animals and natural habitats is called this effort.
What is conservation?
Water freezes at this temperature in Celsius.
What is 0 degrees Celsius?
Gravity depends on two main factors: mass and this distance-related factor between objects.
What is the distance between them?
This is the closest planet to the Sun.
What is Mercury?
Water that fills spaces in rock underground often collects in these natural reservoirs.
What are aquifers?
The solid rocky part of Earth that includes soil and land is called this sphere.
What is the geosphere?
The study of weather is called this science field.
What is Meteorology?