Elements
Fundamentals
Force & Motion
Waves
6th and 7th grade
100
This metalloid element is commonly used to make semiconductors used in computer chips.
What are elements?
100
The number of variables a scientist should intentionally change, manupulate, or vary through out an experiment.
What is only one?
100
speed + direction of motion
what is velocity?
100
Sound waves are best classified as both 1)___________ (longitudinal / transverse) and 2) __________ (electromagnetic / mechanical) waves.
What is longitudinal and mechanical?
100
A symbiotic relationship where one species benefits and the other is harmed.
What is parasitism?
200
Xe2 consists of two xenon atoms chemically bonded. It would best be described as... (element / compound / mixture)
What is an element?
200
This phase has an indefinite shape and a definite volume.
What is liquid?
200
Energy stored due to an objects position or composition.
What is potential energy?
200
The lowest frequency of electromagnetic wave
What are radio waves?
200
The rocks, soil, water, climate, and weather in an ecosystem are examples of ____________ factors.
What is abiotic?
300
States that matter cannot be created or destroyed only changed.
What is the Law of Conservation of Matter?
300
A student changes the surface of the ramp in order to investigate the relationship between friction and speed. The surface of the ramp is the ----
What is the independent variable?
300
Which distance-time graphs show an object that is moving at a constant speed forward?
What is unbalanced and accelerate?
300
When light passes from one medium to another.
What is refraction?
300
Layer of the atmosphere where weather happens
What is the troposphere?
400
Sodium (Na) will have similar chemical and physical properties to __________ because they are in the same _________.
What is an element in Group 1?
400
A student measures the height of bean plants each day to see what effect music has on plant growth. The dependent variable is---
What is the plant height?
400
The tendency of objects to remain at rest or remain in motion is called Newton's _____ law (or law of ________)?
What is 1st or Inertia?
400
In a transverse wave, the medium vibrates __________ compared to the direction the wave moves.
What is perpendicular?
400
The primary cause of seasons on Earth.
What is the tilt of Earth's axis?
500
In this type of chemical bond, Sodium (Na) will donate an electron to Chlorine (Cl) to produce Sodium Chloride (NaCl) or table salt.
What is an ionic bond?
500
A measure of the force of gravity on an object. Changes depending on location.
What is weight?
500
The energy transformation between from point 2 to 4.
What is kinetic energy to gravitational potential energy? KE --> GPE
500
The medium in this picture in which the sound will travel fastest and WHY.
What is the water due to the closer spacing of the molecules?
500
An example of a producer in the food web below.
What is the acacia, date palm, or tamarix?