Science
What are the three star colors?
blue, yellow and red
What is the value of 0.7 x 0.4 ?
0.28
Melting and freezing will cause a change in the _________.
state of matter
Andre ran 4/5 of a 7 mile trail.
Did Andre run more or less than 7 miles? Explain how you know
Less than 7 miles because the fraction is less than a whole.
A ball of gas in space that produces its own light and heat is _______.
The Sun
What are the 4 systems on Earth?
geosphere, atmosphere, Hydrosphere and biosphere
Find the value of 9.36 − 6.52
2.84
When baking soda and vinegar are mixed, a gas is formed. This is known as a ________________.
chemical reaction
Find the value of the expression.
a. 0.5 ÷ 0.1
5
What determines how bright a star is?
How far away it is from Earth
What property can be investigated by exposing different materials to heat?
Thermal Conductivity
Find the value of 1 ÷ 0.01
100
What is the distance a star is from Earth measured in?
light years
Find the value of 2 ÷ 0.2
10
What is a decomposer?
An organism that consumes dead or nonliving biomass
What is a food web?
an interconnected set of food chains
Write each number using the power of 10.
1. 10×10×10x10×10×10
2. 100,000,000
3. 100,000
1. 106
2. 108
3. 105
All of the living and nonliving things and all of their interactions in an area
Ecosystem
How many millimeters are in 3 meters?
3,000 mm
What must occur for an organism to survive in its environment?
All of an organisms basic needs must be met
What Is a producer?
An organism that uses sunlight to make its own food for energy
Clare drinks 8 glasses of water each day. There are 250 milliliters in each glass. How many liters of water does Clare drink each day?
2 Liters
When two or more substances are mixed, what is evidence that a chemical reaction has occurred?
the formation of a new substance
List all characteristics of a rectangle?
- quadrilateral
- 4 unequal sides
- 4 right angles
- 2 sets of parallel lines
- all angles add up to 360 degrees
As an ice cube melts into liquid, what property stays the same?
the mass