Which property of an object allows it to bend?
a. color
b. flexibility
c. mass
d. size
What is flexibility.
100
When an ice cube melts, its state of matter changes from a
What is solid to a liquid.
100
A ball is thrown up into the air. Which force causes the ball to fall to the ground?
What is gravity.
100
Which tool would be most useful for observing the details of an insect's wings?
a. thermometer
b. graduated cylinder
c. hand lens
What is hand lens.
100
As the distance between a magnet and a metal paper clip increases, the force of attraction between them...
What is decreases.
200
A toy truck rolls over a smooth surface. If the surface is covered with sand, the truck will most likely roll... faster, slower or the same speed?
What is slower.
200
Which unit can be used to measure an object's length?
a. meters
b. liters
c. grams
What is meters.
200
Which form of energy is produced when a guitar string vibrates?
a. chemical
b. light
c. magnetic
d. sound
What is sound.
200
Which behavior will best help a student stay healthy?
a. watching TV 5 hours a day
b. sleeping 3 hours a night
c. eating fruits and veggies each day
d. exercizing once a month
What is eating fruits and veggies.
200
When a lightbulb is lit, electrical energy is changed into light energy and...
a. mechanical energy
b. magnetic energy
c. heat energy
What is heat energy.
300
Which property of the marbles causes the water level to rise when they are put in a graduated cylinder?
What is volume.
300
A student measured the volume of water in a pan. the student boiled the water for thirty minutes and then measured the volume again. The volume of the water most likely...
What is decrease.
Why?
300
A pulley and a lever are examples of...
What is simple machines.
300
Which 2 life processes occur in both plants and animals?
a. growing and reproducing
b. germinating and making food
c. growing and making food
What is growing and reproducing.
300
In an electrical circuit, the purpose of a copper wire is to...
What is to conduct electricity.
400
As children grow, their body height usually...
What is increases.
400
Which instrument would be best to measure the volume of a liquid?
What is a graduated cylinder.
400
A student rubs his hands together to warm them. His hands get warm due to...
a. friction
b. gravity
c. magnetism
What is friction.
400
A student places soil in a plastic container to make a home for some worms. The student cuts holes in the top of the container because the worms need...
a. air to breathe
b. sunlight to grow
c. sound to communicate.
What is air to breathe.
400
Which object is the best conductor of electricity?
a. wax crayon
b. plastic spoon
c. iron nail
What is iron nail.
500
A male puppy inherits traits from
a. the mother
b. father
c. both parents
What is both parents.
500
There is 43 mL of water in a graduated cylinder. A student places 2 marbles in the cylinder and the water rises from 43 to 45 mL. The student then puts the another 2 marbles in with the same mass. What will the water level be with all 4 marbles in the cylinder?
What is 47 mL.
500
What form of energy is being used when a person pushes a wooden block across a floor?
mechanical
magnetic
electrical
What is mechanical.
500
Which human response is most likely to occur because the air temperature is 90 F.
What is sweating.
500
On a hot day it rained heavily. After the rain, a plastic pan collected 2 cm of rainwater. 4 hours later all the rainwater in the pan was gone.
Which process caused the rainwater to diappear as it sat in the hot air?