This gas do humans breathe in to stay alive
What is oxygen?
The layer of Earth where we live.
What is the crust?
The force that pulls objects toward the center of the Earth.
What is gravity?
The closest planet to the Sun
What is Mercury?
This tool is used to measure temperature.
What is a thermometer?
The part of a plant that takes in water from the soil.
What are roots?
The natural satellite that orbits Earth.
What is the Moon?
This state of matter has a definite shape and volume.
What is a solid?
The planet known as the “Red Planet.”
What is Mars?
This tool is used to magnify small objects.
What is a microscope?
The organ that pumps blood through your body.
What is the heart?
Rocks are made of these solid materials.
What are minerals?
The formula for water is this.
What is H₂O?
Our galaxy is called this.
What is the Milky Way?
The metric unit for measuring length.
What is a meter?
These are the basic building blocks of all living things.
What are cells?
The continuous movement of water on, above, and below the Earth’s surface.
What is the water cycle?
The measure of how hot or cold something is.
What is temperature?
The star at the center of our solar system.
What is the Sun?
This tool is used to measure the weight of an object.
What is a scale or balance?
This green pigment in plants captures energy from sunlight.
What is chlorophyll?
The scale used to measure earthquake strength.
What is the Richter scale?)
Energy stored in food is this type of energy.
What is chemical energy?
This is the term for a group of stars that forms a pattern.
What is a constellation?
This is the curved surface of a liquid in a graduated cylinder.
What is the meniscus?