Chemistry
What are the small particles that make up all matter?
Atoms
What is the smallest unit of life?
What are the three types of charges?
Positive, negative, and neutral
How many planets are in our solar system?
Eight
What is the process of turning water from a liquid to a gas called?
Evaporation
What is formed when two or more atoms bond together?
Molecule
What is an ecosystem?
A community of living organisms interacting among themselves and with their surroundings.
What is the state of matter that has a definite shape and volume?
Solid
What are the two types of planets?
Rocky (terrestrial) and gaseous (gas giants).
What are mixtures that can be separated by physical means called?
Heterogeneous mixtures.
What is the nucleus of an atom made of
Protons and neutrons
What organelle in the cell provides energy?
Mitochondria
What happens to a substance when it melts?
It changes from a solid to a liquid
What is the order of planets from the Sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the difference between a chemical change and a physical change?
A chemical change produces new substances, while a physical change does not
What do you call a mixture where the components cannot be easily separated?
Solution
What is primary succession
The development of an ecosystem in an area without soil
What is a conductor
A material that allows electricity to flow, such as metals.
What is the greenhouse effect, and how does it affect Earth?
The greenhouse effect traps heat in the atmosphere which keeps Earth warm.
What is static electricity?
Electrical charge on a surface.
How many electrons does chlorine have in its outer shell?
Seven
What is the process by which plants make their food
Photosynthesis.
What is current electricity
The flow of electrons through a conductor/current
Explain how climate change might affect space exploration.
Extreme weather and rising temperatures may halt infrastructure, launch sites and technology development.
What is the primary source of energy for life on Earth?