Matter and Energy
What is matter?
Anything that takes up space and has mass.
What is the name of an organism that eats plants and meat?
An omnivore
What is the purpose of simple machines?
To make work easier, or use less energy to do the same work
What is an atom?
The smallest part of an element that still has its properties.
Why is photosynthesis important for both plants and animals?
It produces oxygen for animals to breathe and glucose as energy for plants.
A mixture is ________ combined and can be separated; a compound is ________ combined.
A mixture is physically combined and can be separated; a compound is chemically combined.
What the name for when the moon "blocks" the sun from view?
A solar eclipse.
What is the name for an organism that breaks down dead matter in an ecosystem?
What is decomposer
What describes how tightly matter is packed within a given volume? (Hint: it is equal to mass/volume)
Density
What type of energy does a moving object have?
Kinetic energy
What is the name of a force that causes planets to orbit around one another?
Gravity
What is the relationship between cells, tissues, and organs?
Cells make up tissues, and tissues make up organs.
What scientist discovered the laws of motion?
Isaac Newton
What do the numbers in the periodic table represent, like the atomic number?
The number of protons in an atom
Why are some stars brighter than others in the night sky?
Because of their size, temperature, and distance from Earth.
What is the name for the type of cell division that produces identical body cells?
Mitosis
What is the difference between speed and velocity?
Speed is how fast something moves. Velocity is speed in a specific direction.