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WorksheetsBrainbowl Review
Total questions: 20
Worksheet time: 10mins
The stem is an important part of many plants. Which of the following is most similar to the role performed by the stem of a plant?
an anchor holding a boat in place
a snack company producing energy bars
a colorful sign attracting people into a store
an elevator transporting supplies from one floor to another
Which property of an ice cube will stay the same after the ice cube is melted?
Shape
Physical state
Mass
Texture
Astronomers study many different kinds of objects in our Solar System. Which of the following best describes a difference between comets and asteroids?
Comets orbit planets, and most asteroids orbit the sun.
Comets are made mostly of ice, and asteroids are made mostly of rocks.
Comets are hot balls of gas, and asteroids are made mostly of ice.
Comets orbit the Sun between Mars and Jupiter, and asteroids form patterns in the sky.
A crab, fish, manatee, and turtle are animals that live in or near a body of water. Which organism is classified as an invertebrate?
crab
fish
manatee
turtle
Bella wants to make lemonade on a hot summer day. She mixed lemon juice, water, and sugar in a large container. When she pours the lemonade, the lemonade in each glass looks the same and has the same taste. What type of substance did Bella make?
a compound
element
solution
suspension
Solar power is a technology that relies on a renewable energy source. What form of energy must solar energy be changed into in order to run household appliances?
chemical
electrical
potential
thermal
What organ filters wastes from the blood?
lung
liver
kidney
pancreas
Rubber, glass, and plastic are good...
electromagnets
conductors
insulators
generators
Gritty, smooth, sticky, and rough all describe a mineral's
smell
luster
hardness
texture
Rocks are made of ______, which are natural, nonliving solid crystals.
Luster
Streak Color
Minerals
Hardness
What two different states of matter does a melting snowman show ?
fixed shape and volume is changing to a substance with no volume or shape
being heated is changing from a cold surface to a warm surface.
definite shape & volume to definite volume not definite shape
substance being heated is losing its volume and mass.
Which list of observations is the best evidence of only a chemical change occurring?
new shape, drying out, texture change
new odor, smoke released, color change
new temperature, shorter length, state change
new volume, stretched out, color change
Which of the following will speed up the dissolving of a solid solute in water?
Cool the solution
Stir the solution
heat up the solvent
Freeze the solute
Which statement correctly describes the particles that make up melting ice cream?
The particles move faster and slide past each other in the melted ice-cream
The particles stop moving when the ice-cream is completely melted.
The particles move slower and vibrate in place in the melted ice-cream
The particles in the ice-cream move only if the temperature changes suddenly
What term describes the build up of electric charge on an object?
excess electricity
charged electricity
static electricity
inductive electricity
When you hold your breath, your brain sends a message to the diaphragm and rib muscles telling them to breathe. What is occurring in the body that triggers the brain to send this message?
the buildup of oxygen in the lungs
the buildup of oxygen in the blood
the buildup of carbon dioxide in the lungs
the buildup of carbon dioxide in the blood
How does a pair of skeletal muscles work together?
Both muscles contract at the same time.
Both muscles relax and then work together.
When one muscle contracts, the other relaxes
When one muscle is voluntary, the other is involuntary.
Which organs send chemicals to the small intestine to help digest food?
kidneys and liver
liver and stomach
pancreas and liver
pancreas and kidneys
Which organ system has a similar function to the exoskeleton of an insect?
nervous system
respiratory system
skeletal system
circulatory system
The amount of matter an object has is its
weight.
volume.
size.
mass.
