LIFE SCIENCE
This part of the cell controls the cell’s activities.
Nucleus
Anything that has mass and takes up space is called this.
Matter
This layer of Earth is where we live.
Crust
The star at the center of our solar system.
the Sun
A tool used to look at very small objects.
microscope
Plants make their own food using sunlight in this process.
Photosynthesis
This is a push or a pull on an object.
Force
Molten rock beneath Earth’s surface is called this
Magma
Earth takes this long to rotate once on its axis.
24 hours
Substances made of only one kind of atom are called these.
elements
This system in the human body is responsible for breathing.
Respiratory system
Changing a substance from solid to liquid is called this.
Melting
This type of rock forms from cooled lava or magma.
Igneous
This force keeps planets in orbit around the sun.
Gravity
A substance with a pH less than 7 is this.
acid
An organism that makes its own food is called this.
Producer/autotroph
A producer is something that makes its own food.
This law states that energy cannot be created or destroyed.
Law of Conservation of Energy
Energy cannot be created or destroyed.
It can only change form or move from one place to another.
The movement of Earth’s plates causes these natural events
earthquakes/volcanoes
A rock that burns up in Earth’s atmosphere is called this.
meteor
A prediction based on prior knowledge is called this.
This molecule carries genetic information in living things.
DNA
The speed of an object in a specific direction is called this.
Velocity
This cycle describes how water moves through Earth and the atmosphere.
water cycle
This is the name of our galaxy.
Milky Way
The periodic table is organized by increasing this number.
Atomic Number