WorksheetsCAST Test Prep
Total questions: 29
Worksheet time: 23mins
What model will have the least soil erosion?
The one with plants
The one with rocks
The one with just soil
They are all the same
What statement about plants is true?
A plant can produce fruit without pollinators.
Fruit grows out of the leaves after pollination.
A plant must mature before producing flowers.
A plant must grow flowers before it can finish growing.
Which of these is NOT a sign of a chemical reaction?
bubbles appear
changing from a liquid to a solid
heat is released
changing from blue to pink
a spark appears
What is true about motion of a ball on a slope?
The higher the ball on the slope, the more friction it has.
The higher the ball on the slope, the less friction it has.
The higher the ball on the slope, the slower it will be at the bottom.
The higher the ball on the slope, the faster it will be at the bottom.
If the cups have lids, what is the difference in weight of a cup of water before and after becoming frozen.
The ice will weigh more
There is no difference in weight.
The liquid water will weigh more
The weight would be the same as the cup.
If a plant weight 11 grams, and the plant pot weight 8 grams, what is the weight of the soil if the entire thing weighs 28 grams?
47 grams
19 grams
9 grams
7 grams
What do plants need to breathe?
oxygen
carbon dioxide
all air
they don't breathe
What are all plants called?
decomposers
consumers
producers
roses
What is the only kind of living thing that can connect a consumer back to a producer on a food web?
another consumer
another producer
any animal or plant
decomposer
What direction does gravity on Earth pull?
down
towards the center of the earth
up
gravity doesn't pull
2% of Earth's water distribution is...
frozen into ice caps and glaciers
ocean water
liquid freshwater
in aquifers
What sphere is all water on Earth?
geosphere
hydrosphere
biosphere
atmosphere
Water erosion is an example of an interaction between what two spheres?
atmosphere and geosphere
hydrosphere and atmosphere
hydrosphere and biosphere
hydrosphere and geosphere
What is the most likely reason a star looks bright and bigger?
It is a bigger star
It has more energy in it
It is closer to Earth
It is farther from Earth
When electrical energy from a battery goes into a fan, it is converted to...
heat and light energy
it stays electrical energy
mechanical motion energy
gravitational energy
When heat and pressure are applied to a rock, it may result in what type of rock?
igneous rock
metamorphic rock
sedimentary rock
the same rock
A fossil is formed on what types of rocks?
sedimentary rocks
metamorphic rocks
igneous rocks
fossils are just preserved animals, not a rock
How can you prove air is matter?
Show breathe on a cold day
Use a balloon to show it has weight and takes up space
Use a bubble to show that liquid captures air
Use a drum to show how sound travels through the air
Living things need energy to repair their bodies, grow, maintain body temperature, and....
move
breathe
watch tv
eat
All energy can be traced back to...
what animals eat
producers
the sun
the Earth
What two materials do plants mostly use to grow?
water and soil
soil and sunlight
water and air
sunlight and air
Why are there different stars at night during different seasons?
Stars move in the sky over the year
The Earth is orbiting the sun
Weather changes the star patterns
The Earth is rotating on its axis
During what phase is the moon closest to the sun?
crescent moon
half moon
gibbous moon
full moon
Why is there day and night?
The Earth is rotating on its axis
The Earth is orbiting the sun
The moon covers the sun at night
The suns orbits the Earth
Why are there seasons?
The Earth orbits the sun
The Earth rotates every season
The Earth is tilted
The moon's gravitational pull
In engineering, how can a group decide on a plan for a build?
choose a leader that will hear everyone's idea and make a decision
debate which idea is best and then choose a design randomly
determine criteria for success and look at which design would meet those criteria the best
try the first idea out and if it doesn't work, go to the next idea
What are two constraints for most engineers?
cost
time
ideas
research
How can you determine if a test prototype has succeeded or failed?
it falls apart
you can't tell until you improve the design
you have a teammate examine it
it does or doesn't meet the criteria for success
In engineering, the building process always begins with...
building a design
doing research on the project
defining the problem to solve
creating a design plan
