Astronomy
What separates the inner planets from the outer planets?
The Asteroid Belt!
Anything that has mass and takes up space is called...
Matter!
This type of circuit is an unbroken path along which an electrical current can flow...
A complete circuit!
This is a cycle that involves evaporation, condensation, precipitation, surface runoff and infiltration. What cycle is this?
The Water Cycle!
What does it mean for something to be "abiotic"?
Abiotic means non-living!
A camper is watching the sun as it rises. Which direction is the camper looking?
East!
Remember: the Sun rises in the East and sets in the West.
When examining a copper wire, we can see that there is copper in the center, but also a plastic covering on the outside.
Why is there a plastic covering?
For safety and better electrical flow! Plastic acts as an insulator, holding the copper conductor inside.
A ___________ is a push or pull that changes an object's speed, direction of motion or shape.
Force!
What is this sphere called?
The Hydrosphere!
Look at the food chain:
sun ---> grass ---> cow ---> human
Which organism in the food chain is a producer?
The grass is the producer because it makes its own food!
Name the planets of the Solar System in order (from closest to the Sun to furthest)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What tool could be used to separate a mixture of sand and iron filings?
A magnet! The iron is attracted to the magnet while the sand remains.
When light travels, it travels in a straight line. When it bounces off a surface, we call this...
Reflection!
Any type rock can undergo a certain amount of heat and pressure and become what new type of rock?
Metamorphic!
Which of these is an ecosystem change that can be caused by both humans and nature?
A. Beavers building dams across rivers and streams
B. Invasive species taking nutrients and resources from other organisms in an ecosystem
C. Volcanic eruptions destroying the surrounding ecosystem.
B. Invasive species can be brought in by humans or may happen accidentally in nature. Think of fire ants, for example!
How long does one Earth REVOLUTION take?
365 days or 1 year!
The ability of one substance to dissolve in another is called...
We are watching a roller coaster speed down from the top! What kind of MECHANICAL energy are we seeing?
Kinetic energy!
Kinetic energy is the energy due to an object's motion. Potential energy is the other kind of mechanical energy, but it's energy due to position.
This refers to the TRANSPORT or MOVEMENT of sediment once it has been broken down from a bigger rock. What is this process called?
Erosion!
Fill in the blank.
Fossils can provide evidence of what past ecosystems were like. The deeper the layer where fossils are found, the ___________ the fossil is.
The deeper the layer where fossils are found, the OLDER the fossil is!
When the Southern hemisphere is tilted completely AWAY from the Sun, what season is the Northern hemisphere most likely experiencing?
Summer!
Seasons are caused by Earth's tilt. One hemisphere is tilted toward the Sun, while the other is tilted away.
A student has 2 cups: one filled with pure water, and the other with salt water. When they put a wooden block in the pure water, it sinks. In the salt water, it floats. Why?
The block is MORE dense than the pure water, but LESS dense than the salt water.
2 parts! Is this force balanced or unbalanced? Which way is the wagon moving?
These are unbalanced forces! The wagon will move to the left because there is more force exerted on this side.
What forms V-shaped valleys?
Rivers weathering and eroding the rock away!
Look at the different interactions.
1. Butterflies lay their eggs on leaves.
2. Butterflies get pollen from flowers.
3. Butterflies use the sunlight to keep their bodies warm.
4. Butterflies may get their water and minerals from wet sand.
Which two of these show butterflies interacting with BIOTIC parts of their ecosystem?
1 & 2!
1. Butterflies lay their eggs on leaves
2. Butterflies get pollen from flowers