Need for speed (motion)
The force(s) is(are) with you
Chem is try
Down to earth (science)
Waves
Living it up (Biology)
What's the matter with you?
100
What are you measuring in a slope vs. position graph? (Hint: Distance/Time)
Speed
100
Increasing the force on an object would do what to it's acceleration? (Increase or decrease)
increase
100
What is the base unit of matter?
The Atom!
100
This force keeps planets in orbit around the Sun and causes objects to fall to Earth.
Gravity
100
All waves carry _______
A) Surfers
B) Energy
C) Electromagnetic power
Energy
100
This structure in plant and animal cells controls what enters and exits the cell, helping maintain homeostasis.
Cell membrane
100
What tool do you use to measure mass?
What is a balance or scale?
200
We graphed a car's movement as a function of distance as it move across town. Where was it at a stop sign?
B
200
What is the term that describes that an object in motion stays in motion, or an object at rest stays at rest?
A) Force
B) Gravity
C) Intertia
C) Inertia
200
When two chemicals react to form a single compound it is called a _____ reaction
a) Combination/Synthesis (A + B-> AB)
B) Decomposition (AB -> A + B)
C) Single replacement (A +BC -> AC + B)
D) Double replacement (AB + DC) -> AD + CB
Synthesis (A + B)
200
The movement of tectonic plates is caused by convection currents in this layer of the Earth.
What is the mantle?
200
Two categories of waves are
Mechanical waves (Sound)
and
Electromagnetic waves (Light energy, electricity, magnetism)
200
What reproductive process leads to this genetic variation (and explains why offspring don't look exactly like their parents?
A) Sexual reproduction
B) Asexual reproduction
Sexual reproduction
200
I have 12 protons, 12 electrons and 11 neutrons. What element am I?
What is magnesium
300
A car is driving at a constant speed of 25 m/s in the positive direction. How long will it take the car to travel 1013 m?
40.52 seconds
300
A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the ball?
100N opposite direction
300
Where are the valence electrons in this diagram?
A 
300
Large-scale wind and ocean currents are driven by differences in this property, which varies between the equator and the poles.
What is temperature?
300
Which of the following terms can be used to describe a sound's volume?
Amplitude
300
In a food web, this type of organism converts sunlight into chemical energy, forming the base of the energy pyramid.
Producers
300
Which of these liquids has greater density? (They both have the same mass)
B
400
What is the term for change in velocity over a period of time?
acceleration
400
Calculate the sum of all the forces acting on the box results in a force acting on the box!
Strength of 11 N to the right
400
Atoms that have lost or gained an electrons are called
A) Protons
B) Neutrons
C) Ions
C) Ions
400
Scientists use seismographs to measure energy released by this type of natural disaster caused by sudden movement along faults.
What is an earthquake?
400
As the frequency of a wave increases, the wavelength will _________
Decrease
400
A population of birds has some individuals with slightly longer beaks. Over time, as food sources change, the birds with longer beaks survive and reproduce more successfully. What process explains this change in the population?
Natural selection
400
Using the density triangle, calculate the density of a block with a mass of 60 g and a volume of 20 cm³.
3 g/cm3
500
A car is driving on the freeway and speeds up from 15 m/s to 30 m/s in a time of 5 seconds. What was the magnitude of the average acceleration of the car?
(Hint: Final Speed-Initial Speed/Time)
3 m/s²
500
Draw a graph that shows how the mass of an object affects the amount of force needed to move it?
500
How many total atoms are present in KMnO4
6!
KMnO4
500
Burning fossil fuels releases this gas into the atmosphere, contributing to climate change.
What is carbon dioxide (CO₂)?
500
Which wave needs a medium to travel through, mechanical waves or electromagnetic waves?
(Think sound and light)
Mechanical waves
500
A certain species of fish relies on coral reefs for protection, while the coral benefits from the fish removing harmful algae. What type of symbiotic relationship is this?
Mutualism
500
dentify whether the following are physical or chemical changes:
Ice melting
Burning food
A new color forms after mixing two chemicals
Ice melting: Physical
Food burning: Chemical
Mixing chemicals - chemical