Science Homework

EARTH SCIENCE IMAGE OF THE DAY

Science Homework for the week of 1/30-2/3

Seventh Grade

Monday 1/30-Tuesday 1/31
Review the minerals ppt.

Answer the following questions:

1.What is a mineral?

2.How are minerals important to humans?

3.Could you survive without minerals? Why or why not?

Wednesday 2/1 – Thursday 2/2
Print out the Rock Cycle digital handout. Spend a few minutes studying the processes which transform rocks from one type to the next.
Answer the following questions:

1. Why are rocks on the continents generally much older than sea floor rocks?

2. What types of rocks contain valuable fossil fuels?

3. What happens to a sedimentary rock if it is subjected to heat and pressure for a long period of time?

Friday 2/3
Enjoy your weekend. Get outside and dig up some interesting rocks!

Eighth Grade Science Homework

Monday 1/30 -Tuesday 1/31
Review your notes on energy in food and the thermal energy equation. Remember a (kcal) Calorie will heat 1kg of water 1 degree and a (cal) calorie heats one gram of water 1 degree.

A .5 gram peanut heats 2.5 grams of water from 20 degrees to 50 degrees in a calorimeter.
1.How much energy is in the peanut?

2.If a calorie is 4.190 joules and a Calorie (kcal) is equal to 4190 Joules, how many joules of energy are in the peanut?

3. Based on your calculation, how many Calories/gram are contained in peanuts?

4. How many Joules/ gram are contained in peanuts?

Wednesday 2/1

Continue working on your WSC research. If you need any science specific materials for your WSC project please let me know in writing.

Thursday 2/2
Continue working on your WSC research. If you need any science specific materials for your WSC project please let me know in writing.

Friday 2/3
Enjoy your weekend!

To see previous assignments click here