Planet Power 🌎
This layer of gases surrounding the Earth is essential for life and our weather.
The structure that controls the movement of substances in and out of the cell.
The cell membrane
When you dissolve sugar in your tea, the tea is the solvent and the sugar is the ____
Solute
The adult human skeleton contains _____ bones
206
This process is how an animal's body slows down for a long sleep during winter.
Hibernation
This large system of living things, their environment, and their interactions is found in a specific area, like a forest or coral reef.
An ecosystem
These two organs, located in your chest, are responsible for your breathing.
The lungs
This common kitchen chemical, with the formula NaCl, is used to flavor food.
Salt
Sodium Chloride
What is the name of the force that opposes motion between two surfaces that are touching?
Friction
Animals like chameleons and octopuses use this to blend in with their surroundings for protection.
Camouflage
The process by which water moves from the Earth's surface to the atmosphere and back again.
The water cycle
This body system is a framework of bones that supports and protects your organs.
The skeletal system
If baking soda is a base, then lemon juice and vinegar are common examples of this.
An acid
What is the name of the long, coiled part of the digestive system where most nutrients are absorbed?
Small intestine
A physical or behavioral characteristic that helps an organism survive in its environment.
An adaptation
This type of rock is formed from the cooling and hardening of molten magma or lava.
An Igneous rock
The process by which your body breaks down food into nutrients it can use.
Digestion
DAILY DOUBLE.
The change that occurs when you melt butter is this type of change, because no new substance is formed.
A physical change
Rust is the common name for a chemical reaction called oxidation, which occurs on what metal?
Iron
This term describes an animal that only eats plants, like a cow or a rabbit.
A herbivore
This term describes the wearing away of the Earth's surface by wind, water, or ice.
Erosion
This part of the brain is responsible for balance and coordinating your movements
The cerebellum
This gas is produced when yeast reacts with sugar during baking, causing bread to rise.
Carbon dioxide
What is the main gas that makes up the Earth's atmosphere?
Nitrogen
Bats use this natural sonar to navigate and find food in the dark
Echolocation