Matter
What is matter?
A. Anything that has mass and takes up space
B. Only liquids
C. Only things you can see
D. Energy
A. Anything that has mass and takes up space
What force pulls objects toward Earth?
A. Friction
B. Magnetism
C. Gravity
D. Electricity
C. Gravity
What type of energy helps us see?
A. Sound
B. Light
C. Heat
D. Motion
B. Light
Which living thing grows from a seed?
A. Frog
B. Bird
C. Plant
D. Butterfly
C. Plant
Which simple machine helps lift heavy objects?
A. Lever
B. Spoon
C. Bowl
D. Plate
A. Lever
Which state of matter has a definite shape?
A. Liquid
B. Gas
C. Solid
D. Plasma
C. Solid
What force slows a sliding book on a table?
A. Gravity
B. Friction
C. Magnetism
D. Push
B. Friction
What type of energy is stored in food?
A. Electrical
B. Chemical
C. Sound
D. Light
B. Chemical
What is the first stage of a butterfly’s life cycle?
A. Caterpillar
B. Chrysalis
C. Egg
D. Butterfly
C. Egg
A ramp is an example of which simple machine?
A. Wedge
B. Screw
C. Pulley
D. Inclined plane
D. Inclined plane
Which state of matter has a definite volume but no definite shape?
A. Solid
B. Liquid
C. Gas
D. Plasma
B. Liquid
Which force can attract or repel certain metals?
A. Gravity
B. Friction
C. Magnetism
D. Electricity
C. Magnetism
What type of energy does a moving car have?
A. Chemical
B. Electrical
C. Mechanical
D. Light
C. Mechanical
What comes after the tadpole stage in a frog’s life cycle?
A. Egg
B. Adult frog
C. Froglet
D. Tadpole again
C. Froglet
Which simple machine is a seesaw?
A. Pulley
B. Lever
C. Wheel and axle
D. Wedge
B. Lever
Which is an example of a physical change?
A. Burning paper
B. Rusting metal
C. Melting ice
D. Baking bread
C. Melting ice
What happens to friction when surfaces are rougher?
A. It decreases
B. It disappears
C. It stays the same
D. It increases
D. It increases
What energy transformation happens when you turn on a flashlight?
A. Light → sound
B. Electrical → light
C. Heat → chemical
D. Motion → electrical
B. Electrical → light
What is metamorphosis?
A. When an animal sleeps
B. When an animal changes form during its life cycle
C. When a plant makes food
D. When animals migrate
B. When an animal changes form during its life cycle
Which simple machine is used to raise a flag?
A. Lever
B. Inclined plane
C. Pulley
D. Wedge
C. Pulley
Why does ice float in water?
A. Ice is heavier than water
B. Ice has less mass
C. Ice is less dense than liquid water
D. Ice is a gas
C. Ice is less dense than liquid water
Why is friction sometimes helpful?
A. It always stops motion
B. It makes things heavier
C. It helps us walk without slipping
D. It removes gravity
C. It helps us walk without slipping
When a rolling ball stops, where does most of its energy go?
A. It disappears
B. Into light
C. Into heat due to friction
D. Into chemical energy
C. Into heat due to friction
Why do many animals produce many offspring?
A. All offspring survive
B. To increase the chance that some will survive
C. To stop predators
D. To grow faster
B. To increase the chance that some will survive
How do simple machines make work easier?
A. By eliminating work
B. By changing the amount or direction of force
C. By adding energy
D. By increasing friction
B. By changing the amount or direction of force