Matter
Matter is anything that takes up ______________.
Space
A __________ change is when something changes appearance, but no new substance is made.
Physical
When baking soda and vinegar bubble, a __________ is made.
Gas
A force is a __________ or a __________.
Push or pull
A simple machine that helps keep you safe in a car is a __________.
Seatbelt
An example of a liquid is __________.
Water
Cutting paper is an example of a _______________ ______________.
Physical change
When you mix baking soda and vinegar, ______________ form and gas is released.
Bubbles
When two objects collide, they __________ on each other.
Push
A material that would make a good bumper to absorb force is __________.
Foam/Sponge/Cotton
When sugar is stirred into water, the sugar is still there but __________.
Dissolved
A clue that a chemical change has happened is that something __________ is made.
New
When lemon juice and baking soda are mixed, you expect to see __________.
Bubbles
The harder the crash, the greater the __________.
Force
A seatbelt keeps your body from __________ during a crash.
Flying forward
Boiling water is a __________ change.
Physical change
True or False: A chemical change always makes something new.
True
Mixing vinegar and baking soda is not a physical change because it creates a ______________ ______________.
New gas
If a toy car rolls down a ramp and hits a wall with a sponge between the car and wall, the sponge __________ the impact.
Absorbs
A safety device that can reduce the force of a fall is a __________.
Helmet
What state of matter has a definite shape?
Solid
If heat is produced during a reaction, it tells us it's a ______________ reaction.
Chemical
Dissolving sugar in water is not a chemical change because the sugar is still __________.
present
When a moving ball hits a still ball, some of the ball’s __________ moves to the other ball.
Energy
The part of a bike helmet that helps reduce the force of a fall is the __________.
Padding