Matter is ______________.
Anything that has mass and takes up space.
The three states of matter.
Solid, Liquid, and Gas
The layer of gasses that surround places
Atmosphere
Producers are
Plants that make their own food
How long does it take for Earth to revolve around the sun?
365.25 days/ a year
Baking a cake is an example of a _____________ change.
What happens to molecules when they are heated?
Spread out or expand
What are some negative effects that humans have had on the planet?
Overpopulation, overgrazing, burning fossil fuels, deforestation, and pollution
Consumers are
Organisms that eat other organisms (consumeror producers)
How long does it take for rotation?
24 hour or 1 day
A single path of energy flow in an ecosystem
Food chain
This is the process called when leaves on trees use sunlight for energy.
Photosynthesis
Living things (like plants and animals, and non-living things (like rocks and water) interact with each other and their environment
Ecosystem
An animal who breaks down dead things is called a ______.
Decomposer
A student is helping a teacher move a bookcase. The student pushes on the bookcase, but the bookcase does not move.
Which action should the student take in order to move the bookcase?
A. Apply more force to one side of the bookcase
B. Apply more downward force to the bookcase
C. Apply less force to the bookcase
D. Apply equal force to all sides of the bookcase
Apply more force to one side of the bookcase
Shapes or patterns formed from groups of stars.
Constellations
Primary source of energy for all food chains is the ____.
sun
One way the hydrosphere and the biosphere) interact
ex: What is when rain from the hydrosphere provides water for the animals, rain from the hydrosphere makes the plants grow?
Heat always transfers from
Hot to Cold
a path that one object takes around another object
Orbit
Many interconnected food chain, representing a complex network of feeding relationships
Food Web
What tool would I use to measure the mass of an object?
A balance or scale
Name a decomposer
fungi, mushrooms, bacteria, etc.
what does an omnivore eat?
plants and animals
long term weather patterns of an area is known as _______
Climate
What is evaporation?
Evaporation is when water is heated and turned into a gas.
Plants use _____, and ______, along with energy from the _____ to make food.
water, carbon dioxide, sunlight
A food web is made up of ________________.
Multiple food chains
What is the difference between rotation and revolution
Rotation is the spinning action of a planet on its axis. Take 24 hours. Causes day and night.
Revolution is the orbit of a planet around the sun. Takes a year.
This is the process of when something (soil) is moved/carried away from one place to another.
Erosion
_____ is when gas cools and turns into water droplets.
Condensation
A student lists resources that can be used to produce electricity. The list is shown.
• Wind
• Coal
• Natural gas
• Water power
• Petroleum
Which of the resources are renewable resources?
wind, water power
Students conduct experiments to investigate friction. Which experiment will best test the effect of friction on objects?
A. Drop two balls from the same height at the same time.
B. Roll two marbles on the carpet from the same starting point at the same time and with the same amount of force.
C. Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.
D. Release two balls from the top of a ramp at the same time
Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.
Explain what gravity is.
a force that pulls all objects toward the center of earth (noncontact attraction force)