Which of the following is not true about energy?
a. It can cause something to move.
b. It gets stronger the more you use it.
c. It is the ability to do work.
d. It is the ability to cause change.
What is letter c?
A tadpole changing into a frog is an example of which of the following characteristics of life?
a. asexual reproduction
b. sexual reproduction
c. responding to stimuli
d. growth and development
What is growth and development? Letter D
Which group of animals are endothermic vertebrates?
a. fish
b. amphibians
c. mammals
d. reptiles
What are mammals? Letter C
Which two gases make up most of the air?
a. argon and oxygen
b. nitrogen and oxygen
c. carbon dioxide and oxygen
d. methane and helium
What are nitrogen and oxygen? Letter B
Which of these is an example of technology?
a. rock
b. cat
c. hole
d. dryer
Which kind of energy does a battery story?
a. magnetic energy
b. kinetic energy
c. chemical energy
d. electrical energy.
What is chemical energy? Letter C
Which of these is a heterotroph?
a. pine tree
b. butterfly
c. tomato plant
d. fern
What is a butterfly? Letter B
How do sponges obtain food?
a. grab it with their sharp teeth
b. pry it apart with their tube feet
c. put it in their mouths with jointed appendages
d. filter it from the water
What is filtering it from the water? Letter D
What happens as you move higher in the troposphere?
a. Air density increases
b. Breathing becomes easier
c. Air temperature increases
d. Air pressure decreases
What is air pressure decreases? Letter D
Which of the following would be the most likely benefit of designing a plane that uses energy from the sun to power its lights?
a. a faster plan
b. a safer plane
c. a plane that produces less pollution
d. a plane that is more comfortable for passengers
What is a plane that produces less pollution? Letter C
a. mechanical
b. potential
c. electrical
d. solar
What is mechanical? Letter A
Which of these classification groups consists of similar classes?
a. order
b. species
c. family
d. phylum
What is order? Letter A
Which is an example of camouflage?
a. All water buffalo look alike.
b. An Io moth has spots that look like the eyes of an owl.
c. A male cardinal is bright red, and the female cardinal is pale red.
d. A leafy sea dragon has appendages that look like the plants in which it hides.
What is a leafy sea dragon has appendages that look like the plants in which it hides? Letter D
In which layer of the atmosphere does Earth's weather occur?
a. troposphere
b. mesosphere
c. stratosphere
d. exosphere
What is the troposphere? Letter A
Which of these is an example of proper lab safety?
a. eating a snack in the lab and discarding the wrapper in the waste bucket
b. sweeping up broken glass so your teacher will not notice it
c. tasting a chemical to see if it is sweet or bitter
d. wearing safety goggles over your eyes
What is wearing safety goggles over your eyes? Letter D
As a ball rolls down a hill, it has less potential energy than it did at the top of the hill. Some of the ball's potential energy has...
a. changed to kinetic energy
b. decreased friction
c. created even move energy
d. disappeared
What is changed to kinetic energy? Letter A
In the scientific name Limulus polyphemus, which classification group is Limulus?
a. species
b. genus
c. order
d. phylum
What is genus? letter B
Which statement describes an ectothermic animal?
a. The animal may grow extra hair to keep warm in the winter.
b. The animal pants when it is too hot.
c. The animal may burrow in the mud when it is too hot.
d. The animal sweats when it is too hot.
What is the animal may burrow in the mud when it is too hot? Letter C
In which layer of Earth's atmosphere is the ozone layer found?
a. exosphere
b. thermosphere
c. mesosphere
d. stratosphere
What is the stratosphere? Letter D
a. clean up your desk
b. set up the equipment
c. write in your science notebook
d. listen to directions
What is listen to directions? Letter D
Which of these changes happen when you run?
a. Kinetic energy is changed to potential energy.
b. Potential energy is changed to kinetic energy.
c. Energy is used up and lost.
d. Your body makes new energy.
What is potential energy is changed to kinetic energy? Letter b
a. to make food
b. to store food and water
c. to absorb water
d. to transport food and water
What is to transport food and water? Letter D
Which statement describes an endothermic animal?
a. When the animal is cold, it lies in the sun to warm up.
b. When the animal is cold, it shivers to warm up.
c. When the animal is cold, it moves to a warmer place.
d. When the animal is cold, it becomes sluggish.
What is when the animal is cold, it shivers to warm up? Letter B
What source of energy drives the water cycle?
a. wind
b. moisture
c. sunlight
d. cold air
What is sunlight? Letter C
What is written on the horizontal axis on a line graph?
a. the dependent variable
b. the independent variable
c. the hypothesis
d. the conclusion
What is the independent variable? Letter B