Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Science Fact

Review of science facts

Which compounds do plants break down in photosynthesis? water and carbon dioxide
Which molecules do plants produce in photosynthesis? glucose and oxygen
What are the necessary products plants need to produce their own food? carbon dioxide, water,and light energy
Where in the plant does photosynthesis take place? the chloropast - located in the plant leaves
What is the formula for finding the volume of a box? length x width x height
What force keeps a satellite in orbit? gravity
What is velocity? speed & direction
What force between bicycle tires and the road affects the speed of the bicycle? friction
What happens if you increase the net force of an object? the object accelerates
What is the main reason for the change in seasons? the tilt of the Earth on its' axis as it revolves around the sun
Paths the planets take around the sun. Orbits
Temperature when a liquid bubbles and changes into vapor. Boiling point
The amount of matter an object contains. mass
An animal that is hunted for food. prey
Movement of currents within a fluid. convection
Mass per volume. density
A consumer that breaks down organisms into simpler substances. decomposer
A resource that is replaced or restored quickly. Renewable Resource
A future observation. Prediction
The pathway taken by an electrical current is a . . . circuit
Rubber, plastic, wood, & glass are examples of . . . insulators
Examples of conductors are . . . copper and silver
How can electricity be measured? volts and amps
What type of circuit allows electricity to flow? a closed circuit
Resources that cannot be replaced in a short amount of time, people will use them up before they can be replaced by nature. Nonrenewable Resources
A statement that we can test? Hypothesis
The amount of space an object takes up volume
A reasonable conclusion based on what you observe Inference
A motion that causes sound. vibration
The bending of light. refraction
The bouncing of light. reflection
A mixture in which one substance dissolves into another. solution
When two or more substances are mixed together but can be physically separated fairly easily. mixture
Anything that takes up space and mass. matter
The energy available as a result of an object's position or condition. Potential energy
Energy that an object has because it is moving. Kinetic energy
A measure of the amount of force gravity exerts to hold you to the ground. weight
What is Newton's 1st Law? An object at rest, stays at rest and an object in motion tends to stay in motion in the same direction and speed unless acted on by a force.
What is Newton's 2nd Law? An object's acceleration depend on the the size and direction of the force and the mass of the object.
What is Newton's 3rd Law? For every action there is an equal and opposite reaction.
The parts of the cell that carry out tasks and help the cell work are . . . organelles
Contained in the nucleus, they are the blue prints that tell our cells what to do. D.N.A.
Cytoplasm is made up of what type of nutrients? water
The part of the cell that is know as the brain of the cell and directs all activities. Nucleus
Jelly-like material that fills the cell. Cytoplasm
Bubbles inside the cell where material can be stored. Vacuoles
String-like proteins that help form the cell's structure. Microfilaments
Organelles that break dwon fatty acids and toxic materials. Perixomes
The barrier that separates the nucleus from the rest of the cell. Nuclear Membrane
Part of the cell that contains enzymes that help digest food. Lysosomes
Outer layer of the cell that allows material to move in or out of the cell. Cell Membrane
Part of the cell that packages and stores energy and builds lysosomes. Golgi Bodies
Help to separate a cell and create two identical cells. Centrioles
Part of the cell that produces energy and powers the rest of the cell. Mitochondria
Framework that gives the cell its shape. Cytoskeleton
Part of the cell that links amino acids together to build proteins. Ribosomes
How do warm-blooded animals keep their temperatures constant? They use calories from food to make heat.
What is the lowest number of cells a living organism can have? 1
Groups of African Elephants can journey hundreds of miles in search of food and water. Sometimes, water is underground. The elephants use their long tusks to dig for water. These long tusks are an . . . adaptation
The respiratory and circulatory systems work together. Blood carries oxygen from the . . . lungs
Which organs help you digest food? mouth, stomach, small intestine, large intestine
Is it possible for a child to be exactly like its mother? No, because it gets only part of its genetic material from her.
You put your hand under the tap to see if the bathwater is warm enough. Which organ system is most involved with helping you decide? Nervous System
On a hike through the Big Green Forest, you see rocks, soil, trees, smaller plants and flowers, birds, worms, insects, and mice. What do you call all the living and nonliving things in this forest? An Ecosystem
Which type of organism adds the most nutrients to the soil as it feeds? decomposers
Pictures of the moon show many craters. What caused most of these craters? space rocks hitting the moon
A solar eclipse happens when . . . the moon casts a shadow on Earth
What action causes day to turn to night? Earth rotates on its axis
Seasons change as . . . Earth revolves around he sun.
Seasons change because . . . Earth's axis is tilted.
When water mixes with rock, tiny particles of the rock dissolve in the water. The rock-and-water mixture is called a . . . solution
Imagine you had a machine that could dig straight through Earth to the other side. Which problem would it have to overcome? intense heat
Earth is surrounded by a layer of gas. What is this layer called? the atmosphere
The sun shines in space as it does on Earth. Yet it is freezing cold in space. What causes the difference? Earth has air (atmosphere) and space does not. The atmosphere traps the sun's heat.
When earth's tectonic plates push against each other, what might happen? Mountains will slowly grow.
At the bottom of the deepest ocean, what is the ocean floor made of? rock and soil
Scientists found a fossil of a tooth. It came from a large, now-extinct mammoth. The tooth had a large flat surface. Based on this, what was the mammoth's diet likely to have been? grass and leaves
Why might scientists find a fossil of a sea animal high in the mountains? Before there were mountains there, there was an ocean.
How are the eight planets in our solar system similar? They are round.
Burning coal is a chemical reaction called. . . oxidation
Water can exist in three states. What are these? solid, liquid and gas
You have a substance that is made of only one type of atom. What do you call this substance? an element
In which state does water have a definite mass, volume, and shape? solid
What is a molecule? a combination of atoms
When a beam of light is broken up into parts, what do you see? a rainbow
Which tool relies on the fact that the Earth has a magnetic field, with north and south poles? a compass
Your teacher mixes together two clear liquids. Together the two bubble and turn blue. You just witnessed a . . . chemical reaction
How can force affect a moving object? It can change an object's velocity and direction.
The smallest particle of matter. atom
The basic part of every living thing on earth. cell
A branch of a neuron(nerve cell) which receives messages from other cells. dendrite
A carefully controlled test, made to see if a hypothesis is correct. experiment
An animal without a backbone. invertebrate
A nerve cell.
Created by: Walker83