Waves
Matter
Engineering
Random
Disaster
Eco+Biology
Cooking
Opposites Attract
100
What property of sound does amplitude control?
Volume or Loudness
100
Biotic means alive. What word means non-living things?
Abiotic
100
How long will the table be?
10 ft
100
What are the GOVERNMENT names of Gold's cats?
Derp Junior and Cookie Monster
100
What causes earthquakes?
Movement of _____ _____
Tectonic Plates
100
Which three things do plants need for photosynthesis to happen?
A) Sunlight, water, and carbon dioxide
B) Oxygen, heat, and sugar
C) Dirt, light, and nitrogen
D) Sunlight, oxygen, and chlorophyll
A) Sunlight, water, and carbon dioxide
100
Boiling water is an example of a:
A) Chemical change
B) Physical change
C) Reaction
D) New substance
B) Physical change
100
What happens when opposite charges interact?
A) They repel
B) They attract
C) They disappear
D) They cancel gravity
B) They attract
200
What property of light does wavelength control?
Color OR visibility
200
What do we call a substance that is made of only ONE type of atom?
Element
200
Z
200
Draw where the Earth, Sun, and Moon are for lunar and solar eclipses.
Solar: Earth - Moon - Sun
Lunar: Moon - Earth - Sun
200
Which kind of storm is powered by warm ocean water?
Hurricane
200
You see a squirrel eating an acorn. What role does it play in the food chain?
A) Producer
B) Consumer
C) Decomposer
D) Omnivore
B) Consumer
200
Which kitchen event shows a chemical change?
A) Ice melting
B) Water evaporating
C) Bread baking
D) Chocolate melting
C) Bread baking
200
What material is magnetic and found in many metals?
A) Wood
B) Plastic
C) Iron
D) Copper
C) Iron
300
If a noise has a high pitch, then the wavelengths are...
Short (high frequency)
300
What happens to atoms in a chemical reaction?
They are rearranged OR change bonds
300
What do you call a device or process that converts data from one format to another?
Encoder
300
What do we call a system that is sealed and nothing can enter or exit?
Closed
300
Lava bursts from a volcano and changes the land. The most likely location of this event is:
A) A mountain range that has remained stable for hundreds of years
B) The Bering Strait
C) Islands in the center of a tectonic plate
D) The border of two tectonic plates
D) The border of two tectonic plates
300
Which level in the food web has the most energy?
A) Top predators
B) Herbivores
C) Producers
D) Decomposers
C) Producers
300
A chef mixes two things, and the mixture gets hot. What is this?
A) Endothermic
B) Exothermic
C) Physical
D) Evaporation
B) Exothermic
300
What is the function of a battery in a flashlight circuit?
A) It stores light
B) It powers the circuit by providing energy
C) It cools the wires
D) It absorbs current
B) It powers the circuit by providing energy
400
What happens with particles that causes a sound wave to move?
Vibrate, collide
400
Write the chemical formula for photosynthesis. You can write the word for the particle that has 3 elements in it.
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
OR
CO₂ + H₂O → C₆H₁₂O₆ + O₂
OR
CO₂ + H₂O → Glucose + 6O₂
400
Which material should be used for the pan bottom and which material should be used for the handle?
Pan: Copper
Handle: Stainless steel
400
What do we call an incomplete circuit in which electricity CANNOT flow?
Open
400
What is convection in the mantle?
A) Heat rising and falling in a fluid
B) Light bouncing off surfaces
C) Earth spinning quickly
D) Ice breaking apart
A) Heat rising and falling in a fluid
400
What happens if a predator like the wolf disappears from a forest?
A) Nothing
B) The prey population might grow too much
C) Plants disappear
D) The sun gives more energy to other organisms
B) The prey population might grow too much
400
Touching a hot pan causes a burn. What type of heat transfer is this?
A) Convection
B) Conduction
C) Radiation
D) Emission
B) Conduction
400
What is the correct formula from Newton’s Second Law?
A) Force = Mass × Acceleration
B) Speed = Force ÷ Time
C) Mass = Energy × Time
D) Acceleration = Speed ÷ Distance
A) Force = Mass × Acceleration
500
Why does light travel in space where sound cannot?
It doesn't need matter OR travels in empty space, when sound needs matter
500
What is the non-matter product of cellular respiration?
ATP (energy)
500
A group of students build a toy ship. The ship keeps sinking in water. What property do they need to decrease to increase its buoyancy?
Density
500
The mass of an object is 32 grams. The volume is 8 mL. What is the density? Include the label.
4 g/mL
500
Why does more carbon dioxide in the atmosphere cause stronger storms?
A) Greenhouse gases trap heat
B) The Earth rotates faster
C) Volcanoes are more active
D) Solar energy decreases
A) Greenhouse gases trap heat, which increases storm strength
500
Why is a keystone (important or central part) species so important?
A) It creates new producers
B) It disrupts the balance of the entire ecosystem
C) It decreases decomposers
D) It speeds up photosynthesis
B) It disrupts the balance of the entire ecosystem
500
A cold pack gets cold when activated. What’s going on?
A) Chemical conduction
B) Endothermic reaction
C) Exothermic change
D) Static energy
B) Endothermic reaction
500
Why does a balloon rubbed on hair stick to a wall?
A) Magnetic force attracts to the other surface
B) Gravity increase moves the atoms to a central location
C) Static electricity is transferring electrons
D) Light waves are attracting it
C) Static electricity is transferring electrons