Life Science
What is the process by which plants make their own food?
Photosynthesis
What is the process by which sediment is laid down in new locations?
Deposition
What is the measure of the amount of matter in an object?
Mass
What do we call the continuous flow of electric charge in a circuit?
Electric current
What is the first step of the scientific method?
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What type of wave can travel through empty space?
Electromagnetic waves
Which major organ system controls coordination and balance in the human body?
Nervous system
Which layer of Earth is divided into several tectonic plates?
Lithosphere
What is the force that slows down or stops moving objects?
Friction
Which object is a good conductor of electricity?
Metal
In an experiment, what is the purpose of a control group?
To provide a basis of comparison
Which type of wave is used to see objects through walls in a radar?
Microwave
What is the name of the tiny filtering units in the kidney that remove waste from the blood to form urine?
Nephrons
What naturally occurring solid material forms from rocks under intense heat and pressure?
Metamorphic rock
Which simple machine consists of a rigid bar that pivots on a fixed point?
Lever
What is the unit used to measure electrical resistance?
Ohm
Why is it important to have a hypothesis in an experiment?
To guide the experiment and make predictions
What type of wave causes earthquakes?
Seismic waves
What is the hardest substance in the human body?
Tooth enamel
What is the continuous process through which water is circulated in the atmosphere and on Earth?
Water cycle
When you rub your hands together on a cold day, which form of energy is produced?
Thermal energy
Which type of circuit has multiple pathways for the flow of electric current?
Parallel circuit
What is the difference between an independent variable and a dependent variable in an experiment?
Independent variable is manipulated by the scientist, while the dependent variable is the response that is measured
How do sound waves travel through different mediums?
Sound waves need a medium to travel but light waves can travel through a vacuum
Which process involves the conversion of food into energy by cells?
Cellular respiration
What is the primary source of energy for the water cycle?
The Sun
What is the force that prevents objects from floating away in a liquid or gas?
Buoyancy
What do we call a device that breaks a circuit to prevent overloading?
Circuit breaker
Why is it necessary to draw a conclusion at the end of an experiment?
To summarize the findings and determine if the hypothesis was supported or not
Give an example of a mechanical wave.
An example of a mechanical wave is a water wave