Forces and Motion
As the mass of an object increases, the distance the object travels will ___________________.
What is decrease
A scientist mixes two substances together: baking soda and vinegar
The result is the substance bubbles.
What type of change has occurred? (physical or chemical)
chemical
When heat is added to water, the water will __________.
evaporate
Complete the model with the correct term:
____ - tissue - organ - system - organism
cell
Grass is a ________________, because it is able to use energy from the sun to make its own food.
producer
The mass of a car is 200 grams. A student adds weights to increase the mass to 400 grams. What can you expect to happen to the distance the car travels?
The distance will decrease by 1/2
A student measures a piece of metal before and after heating. What will the student notice after the metal is heated?
The piece of metal will be longer.
When water vapor cools, it _______________
condenses
respiratory, circulatory
A _____________ must eat something in order to get the energy it needs.
consumer
A student collects the following data on the distance a toy car travels:
copy paper: 5m aluminum foil: 3 sandpaper: 1 m
Why did the car travel the shortest distance across the sandpaper?
sandpaper creates a greater amount of friction.
Mary measures out 20 g of flour, 5g of chocolate chips, and 2 g of baking soda. What would the mass of the mixture be when all the ingredients are mixed together?
27 grams
What causes the coast of NC to have milder temperatures in the winter months?
The Gulf Stream
The _____________ is a main organ in the circulatory system.
heart
Fungi and bacteria are examples of _______________, because they break down matter into usable nutrients.
decomposers
Speed = distance/time
If a car travels 300 meters in 60 seconds, what is the speed of the car?
50 meters per second
Marc is working on a school project and he cuts a piece of paper into smaller pieces. What type of change has Marc created? (physical or chemical)
physical
What type of pressure system brings rainy/stormy weather?
low
The ______________ system is responsible for breaking down food into usable nutrients for the body.
digestive
The rabbit population decreases, how will this affect the populations that eat rabbits?
They will have find another food source.
A car travels a distance of 540 km in 6 hours. What is the speed of the car?
90 km/hr
If I want to make an object change state from a solid, liquid, or gas, I would need to add or remove _______
heat
When a low or high pressure system moves into an area, there is an _______________ in wind speed.
increase
How tall you are is an (inherited, acquired) trait.
inherited
How many students have brown eyes?
Is this question going asking about an inherited or acquired trait?
inherited