Biology
What is the basic unit of life?
A cell
What is the chemical symbol for oxygen?
O
What is the SI unit of force?
Newton
What planet is known for its prominent ring system?
Saturn
What gas do plants absorb during photosynthesis?
Carbon Dioxide
What organelle produces most of the energy in a cell?
Mitochondria
What is the smallest unit of an element that retains its properties?
Atom
What type of energy does a moving object have?
Kinetic Energy
What is Earth's outermost solid layer?
What force pulls objects toward one another?
Gravity
What molecule carries genetic instructions in living things?
DNA
What negatively charged particle is found in an atom?
Electron
What is the formula for average speed?
Distance divided by time
What type of rock forms when magma or lava cools?
Igneous rock
What type of wave can travel through empty space?
Electromagnetic wave
What process do plants use to convert light energy into chemical energy?
Photosynthesis
What type of chemical bond forms when atoms share electrons?
Covalent bond
A 5 kg object accelerates at 4 m/s². What is its net force?
20 N
What layer of Earth generates most of Earth's magnetic field?
Outer core
What happens to the average kinetic energy of particles when temperature increases?
It increases
What is the process called when cells divide to produce two genetically identical daughter cells?
Mitosis
An atom has 11 protons and 12 neutrons. What is its mass number?
23
A cyclist travels 150 meters in 12 seconds. What is the cyclist's average speed?
12.5 m/s
What process occurs when water vapor cools and changes into liquid droplets?
Condensation
Two waves travel at the same speed. Wave A has a frequency of 4 Hz, and Wave B has a frequency of 8 Hz. Which wave has the longer wavelength?
Wave A